./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ --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 7bfa83e4265de8b9a1bd21dc33b28b63f68994b9952943e0726905cc1e10334a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:06,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:06,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:06,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:06,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:06,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:06,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:06,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:06,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:06,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:06,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:06,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:06,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:06,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:06,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:06,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:06,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:06,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:06,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:06,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:06,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:06,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:06,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:06,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:06,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:06,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:06,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:06,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:06,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:06,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:06,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:06,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:06,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:06,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:06,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:06,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:06,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:06,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:06,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:06,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:06,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:06,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:17:06,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:06,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:06,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:06,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:06,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:06,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:06,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:06,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:06,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:06,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:06,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:06,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:06,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:06,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:06,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:06,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:06,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:06,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:06,253 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:06,253 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:06,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:06,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:06,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:06,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:06,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:06,254 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:06,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:06,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:06,255 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_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bfa83e4265de8b9a1bd21dc33b28b63f68994b9952943e0726905cc1e10334a [2021-11-22 23:17:06,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:06,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:06,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:06,548 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:06,549 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:06,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/eqn4.c [2021-11-22 23:17:06,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/data/63e4e01d8/dee42cbc45f04609a9c28c2680ab3e85/FLAGde7fbcd2d [2021-11-22 23:17:07,200 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:07,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/sv-benchmarks/c/array-fpi/eqn4.c [2021-11-22 23:17:07,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/data/63e4e01d8/dee42cbc45f04609a9c28c2680ab3e85/FLAGde7fbcd2d [2021-11-22 23:17:07,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/data/63e4e01d8/dee42cbc45f04609a9c28c2680ab3e85 [2021-11-22 23:17:07,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:07,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:07,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:07,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:07,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:07,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56162097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07, skipping insertion in model container [2021-11-22 23:17:07,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:07,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:07,814 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_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/sv-benchmarks/c/array-fpi/eqn4.c[587,600] [2021-11-22 23:17:07,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:07,868 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:07,886 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_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/sv-benchmarks/c/array-fpi/eqn4.c[587,600] [2021-11-22 23:17:07,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:07,906 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:07,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07 WrapperNode [2021-11-22 23:17:07,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:07,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:07,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:07,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:07,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,947 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-11-22 23:17:07,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:07,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:07,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:07,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:07,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:07,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:07,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:07,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:07,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:07,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:08,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:08,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb1758c-fb22-48be-ac4e-5b67aeddd9bc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:17:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:17:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:08,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:17:08,133 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:08,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:08,353 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:08,393 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:08,393 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:17:08,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:08 BoogieIcfgContainer [2021-11-22 23:17:08,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:08,397 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:08,397 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:08,414 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:08,414 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:08,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-22 23:17:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-22 23:17:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:17:08,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:08,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:08,793 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:17:08,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:17:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2021-11-22 23:17:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2021-11-22 23:17:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:17:09,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:17:09,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2021-11-22 23:17:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2021-11-22 23:17:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:17:09,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:17:09,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 20 states and 49 transitions. [2021-11-22 23:17:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 49 transitions. [2021-11-22 23:17:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:17:09,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:17:10,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:10,101 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:17:10,102 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:17:10,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:10,237 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:17:10,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:10,443 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:17:10,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:17:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 23 states and 60 transitions. [2021-11-22 23:17:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 60 transitions. [2021-11-22 23:17:11,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:11,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:17:11,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 27 states and 67 transitions. [2021-11-22 23:17:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 67 transitions. [2021-11-22 23:17:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:12,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:12,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 30 states and 76 transitions. [2021-11-22 23:17:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 76 transitions. [2021-11-22 23:17:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:12,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:17:13,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:13,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:13,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:13,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:13,325 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-22 23:17:13,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 320 [2021-11-22 23:17:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 67 [2021-11-22 23:17:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 87 [2021-11-22 23:17:13,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,543 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:13,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 52 [2021-11-22 23:17:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,668 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:13,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 46 [2021-11-22 23:17:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:13,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:13,903 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 23:17:13,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 64 treesize of output 58 [2021-11-22 23:17:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:14,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:14,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:14,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:14,048 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-22 23:17:14,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 71 treesize of output 66 [2021-11-22 23:17:14,375 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-11-22 23:17:14,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 92 treesize of output 48 [2021-11-22 23:17:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 35 states and 93 transitions. [2021-11-22 23:17:16,536 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 93 transitions. [2021-11-22 23:17:16,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:16,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:17:16,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2021-11-22 23:17:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2021-11-22 23:17:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:18,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:18,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:18,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:18,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:18,219 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:18,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:18,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:18,486 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:18,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:19,003 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:19,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 44 states and 132 transitions. [2021-11-22 23:17:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 132 transitions. [2021-11-22 23:17:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:21,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:21,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:21,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:21,655 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:17:21,656 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:17:21,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:21,691 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:17:21,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:21,763 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:17:21,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:17:22,146 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:17:22,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:17:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 45 states and 133 transitions. [2021-11-22 23:17:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 133 transitions. [2021-11-22 23:17:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:22,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:22,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:22,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:22,403 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:22,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:22,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:22,463 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:22,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:22,700 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:22,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 46 states and 134 transitions. [2021-11-22 23:17:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 134 transitions. [2021-11-22 23:17:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:22,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:22,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:22,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:22,846 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:22,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:23,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:23,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:23,016 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:23,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:23,317 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:23,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:23,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 47 states and 135 transitions. [2021-11-22 23:17:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 135 transitions. [2021-11-22 23:17:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:23,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:23,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:23,584 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:17:23,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:23,914 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-22 23:17:23,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50 [2021-11-22 23:17:24,547 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:17:24,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 38 [2021-11-22 23:17:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:36,912 WARN L227 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:17:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 51 states and 161 transitions. [2021-11-22 23:17:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 161 transitions. [2021-11-22 23:17:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:38,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,535 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:38,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:38,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:38,619 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:38,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:38,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:38,773 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:38,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:39,071 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:39,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 52 states and 162 transitions. [2021-11-22 23:17:39,096 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 162 transitions. [2021-11-22 23:17:39,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:39,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:39,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:39,215 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:17:39,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:39,319 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:17:39,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:17:39,586 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:17:39,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:17:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 53 states and 163 transitions. [2021-11-22 23:17:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 163 transitions. [2021-11-22 23:17:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:39,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,701 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 [2021-11-22 23:17:39,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:39,729 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:39,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:39,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:39,864 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:39,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:40,098 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:40,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 54 states and 164 transitions. [2021-11-22 23:17:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 164 transitions. [2021-11-22 23:17:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:40,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,222 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:40,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:40,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:40,310 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:40,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:40,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:40,364 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:40,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:40,634 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:40,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 55 states and 165 transitions. [2021-11-22 23:17:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 165 transitions. [2021-11-22 23:17:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:40,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:40,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:40,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:40,749 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:40,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:40,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:40,897 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:40,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:41,160 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:41,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 56 states and 166 transitions. [2021-11-22 23:17:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 166 transitions. [2021-11-22 23:17:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:41,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,278 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:41,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:41,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:41,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:41,369 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:41,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:41,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:41,544 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:41,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:41,654 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:41,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 57 states and 167 transitions. [2021-11-22 23:17:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 167 transitions. [2021-11-22 23:17:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:41,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:41,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:41,782 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:41,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:41,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:41,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:41,922 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:41,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:42,152 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:42,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 58 states and 168 transitions. [2021-11-22 23:17:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 168 transitions. [2021-11-22 23:17:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:42,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:42,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:42,278 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:42,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:42,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:42,330 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:42,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:42,583 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:42,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2021-11-22 23:17:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2021-11-22 23:17:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:42,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,688 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:17:42,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:17:42,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:42,725 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:17:42,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:42,826 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:17:42,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:17:43,062 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:17:43,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:17:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 63 states and 201 transitions. [2021-11-22 23:17:44,868 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 201 transitions. [2021-11-22 23:17:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:44,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,953 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:44,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:44,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:45,040 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:45,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:45,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:45,164 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:45,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:45,408 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:45,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 64 states and 202 transitions. [2021-11-22 23:17:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 202 transitions. [2021-11-22 23:17:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:45,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:45,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:45,549 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:45,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:45,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:45,597 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:45,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:45,845 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:45,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 65 states and 203 transitions. [2021-11-22 23:17:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 203 transitions. [2021-11-22 23:17:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:45,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,941 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:45,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:45,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:46,034 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:46,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:46,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:46,083 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:46,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:46,205 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:46,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 66 states and 204 transitions. [2021-11-22 23:17:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 204 transitions. [2021-11-22 23:17:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:46,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,310 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:46,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:46,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:46,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:46,408 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:46,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:46,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:46,466 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:46,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:46,731 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:46,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 67 states and 205 transitions. [2021-11-22 23:17:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 205 transitions. [2021-11-22 23:17:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:46,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:46,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:46,863 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:46,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:46,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:46,914 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:46,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:47,128 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:47,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 68 states and 206 transitions. [2021-11-22 23:17:47,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 206 transitions. [2021-11-22 23:17:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:47,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,223 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:47,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:47,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:47,311 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:47,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:47,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:47,438 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:47,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:47,578 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:47,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 69 states and 207 transitions. [2021-11-22 23:17:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 207 transitions. [2021-11-22 23:17:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:47,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,679 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:47,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:47,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:47,769 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:47,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:47,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:47,817 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:47,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:48,069 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:48,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:48,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 70 states and 208 transitions. [2021-11-22 23:17:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 208 transitions. [2021-11-22 23:17:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:48,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,183 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:48,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:48,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:48,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:48,280 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:48,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:48,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:48,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:48,407 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:48,534 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:48,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 71 states and 209 transitions. [2021-11-22 23:17:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 209 transitions. [2021-11-22 23:17:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:48,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,623 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:48,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:48,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:48,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:48,715 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:48,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:48,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:48,848 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:48,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:49,048 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:49,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 72 states and 210 transitions. [2021-11-22 23:17:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 210 transitions. [2021-11-22 23:17:49,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:49,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,152 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:49,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:49,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:49,240 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:49,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:49,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:49,375 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:49,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:49,612 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:49,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2021-11-22 23:17:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2021-11-22 23:17:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:49,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,719 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:49,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:49,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:49,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:49,808 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:49,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:49,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:49,950 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:49,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:50,196 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:50,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 74 states and 212 transitions. [2021-11-22 23:17:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 212 transitions. [2021-11-22 23:17:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:50,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:50,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:50,317 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:50,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:50,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:50,456 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:50,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:50,700 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:50,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 75 states and 213 transitions. [2021-11-22 23:17:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 213 transitions. [2021-11-22 23:17:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:50,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,803 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:50,804 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:50,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:50,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:50,893 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:50,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:51,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:51,048 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:51,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:51,150 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:51,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 76 states and 214 transitions. [2021-11-22 23:17:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 214 transitions. [2021-11-22 23:17:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:51,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,255 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:51,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:51,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:51,343 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:51,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:51,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:51,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:51,393 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:51,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:51,677 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:51,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 77 states and 215 transitions. [2021-11-22 23:17:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 215 transitions. [2021-11-22 23:17:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:51,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:51,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:51,813 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:17:51,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:51,909 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:17:51,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:17:52,157 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:17:52,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:17:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:52,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 78 states and 216 transitions. [2021-11-22 23:17:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 216 transitions. [2021-11-22 23:17:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:52,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,256 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:52,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:52,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:52,349 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:52,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:52,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:52,393 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:52,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:52,622 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:52,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 79 states and 217 transitions. [2021-11-22 23:17:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 217 transitions. [2021-11-22 23:17:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:52,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:52,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:52,725 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:17:52,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:52,799 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:17:52,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:17:53,017 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:17:53,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:17:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 80 states and 218 transitions. [2021-11-22 23:17:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 218 transitions. [2021-11-22 23:17:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:53,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,118 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:53,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:53,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:53,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:53,191 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:53,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:53,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:53,310 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:53,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:53,543 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:53,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 81 states and 219 transitions. [2021-11-22 23:17:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 219 transitions. [2021-11-22 23:17:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:53,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,645 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:53,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:53,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:53,733 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:53,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:53,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:53,781 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:53,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:54,007 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:54,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 82 states and 220 transitions. [2021-11-22 23:17:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 220 transitions. [2021-11-22 23:17:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:54,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,118 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:54,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:54,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:54,212 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:54,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:54,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:54,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:54,345 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:54,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:54,575 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:54,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:54,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 83 states and 221 transitions. [2021-11-22 23:17:54,595 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 221 transitions. [2021-11-22 23:17:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:54,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:54,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:54,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:54,707 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:54,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:54,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:54,843 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:54,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:55,045 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:55,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 84 states and 222 transitions. [2021-11-22 23:17:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 222 transitions. [2021-11-22 23:17:55,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:55,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:55,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:55,162 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:55,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:55,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:55,209 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:55,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:55,495 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:55,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 85 states and 223 transitions. [2021-11-22 23:17:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 223 transitions. [2021-11-22 23:17:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:55,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,602 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:17:55,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:17:55,615 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 [2021-11-22 23:17:55,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:55,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:56,101 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:17:56,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:17:56,748 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:17:56,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:17:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 86 states and 224 transitions. [2021-11-22 23:17:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 224 transitions. [2021-11-22 23:17:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:57,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,780 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 [2021-11-22 23:17:57,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:17:57,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:57,805 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:57,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:57,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:57,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:57,856 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:57,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:57,970 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:57,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 87 states and 225 transitions. [2021-11-22 23:17:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 225 transitions. [2021-11-22 23:17:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:57,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,059 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:58,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:58,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:58,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:58,128 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:58,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:58,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:58,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:58,166 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:58,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:58,431 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:58,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 88 states and 226 transitions. [2021-11-22 23:17:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 226 transitions. [2021-11-22 23:17:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:58,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,525 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:17:58,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:17:58,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:58,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:58,806 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:17:58,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:17:59,134 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:17:59,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:17:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 89 states and 227 transitions. [2021-11-22 23:17:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 227 transitions. [2021-11-22 23:17:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:59,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,238 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:59,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:59,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:59,324 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:59,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:59,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:59,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:59,453 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:59,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:17:59,689 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:17:59,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:17:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 90 states and 228 transitions. [2021-11-22 23:17:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 228 transitions. [2021-11-22 23:17:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:59,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,785 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:17:59,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:17:59,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:17:59,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:59,862 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:17:59,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:17:59,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:59,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:59,922 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:17:59,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:00,019 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:00,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 91 states and 229 transitions. [2021-11-22 23:18:00,033 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 229 transitions. [2021-11-22 23:18:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:00,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,112 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:00,112 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:00,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,186 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:00,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:00,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,328 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:00,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:00,610 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:00,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 92 states and 230 transitions. [2021-11-22 23:18:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 230 transitions. [2021-11-22 23:18:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:00,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,724 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:00,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:00,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:00,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,810 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:00,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:00,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,855 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:00,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:01,133 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:01,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 93 states and 231 transitions. [2021-11-22 23:18:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 231 transitions. [2021-11-22 23:18:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:01,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:01,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:01,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,253 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:01,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:01,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,384 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:01,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:01,597 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:01,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 94 states and 232 transitions. [2021-11-22 23:18:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 232 transitions. [2021-11-22 23:18:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:01,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:01,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,700 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:01,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:01,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,739 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:01,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:01,950 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:01,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 95 states and 233 transitions. [2021-11-22 23:18:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 233 transitions. [2021-11-22 23:18:01,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:01,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:02,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,063 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:02,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:02,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:02,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,123 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:02,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:02,242 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:02,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 96 states and 234 transitions. [2021-11-22 23:18:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 234 transitions. [2021-11-22 23:18:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:02,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:02,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,365 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:02,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:02,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,414 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:02,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:02,688 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:02,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 97 states and 235 transitions. [2021-11-22 23:18:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 235 transitions. [2021-11-22 23:18:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:02,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,787 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:02,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:02,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:02,874 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:18:02,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:18:03,152 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:18:03,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:18:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 98 states and 236 transitions. [2021-11-22 23:18:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 236 transitions. [2021-11-22 23:18:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:03,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,252 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:03,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:03,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:03,275 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:03,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:03,365 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:03,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:03,536 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:03,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 99 states and 237 transitions. [2021-11-22 23:18:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 237 transitions. [2021-11-22 23:18:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:03,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:03,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:03,630 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:03,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:03,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:03,665 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:03,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:03,754 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:03,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 100 states and 238 transitions. [2021-11-22 23:18:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 238 transitions. [2021-11-22 23:18:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:03,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,851 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 [2021-11-22 23:18:03,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:03,871 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:03,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:03,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:03,991 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:03,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:04,080 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:04,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 101 states and 239 transitions. [2021-11-22 23:18:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 239 transitions. [2021-11-22 23:18:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:04,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:04,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:04,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:04,191 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:04,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:04,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:04,320 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:04,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:04,531 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:04,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 102 states and 240 transitions. [2021-11-22 23:18:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 240 transitions. [2021-11-22 23:18:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:04,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,631 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:04,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:04,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:04,659 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:04,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:04,758 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:04,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:04,972 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:04,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:04,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 103 states and 241 transitions. [2021-11-22 23:18:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 241 transitions. [2021-11-22 23:18:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:04,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,073 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:05,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:05,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:05,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:05,138 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:05,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:05,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:05,176 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:05,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:05,386 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:05,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 104 states and 242 transitions. [2021-11-22 23:18:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 242 transitions. [2021-11-22 23:18:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:05,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:05,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:05,515 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:05,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:05,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:05,630 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:05,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:05,865 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:05,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 105 states and 243 transitions. [2021-11-22 23:18:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 243 transitions. [2021-11-22 23:18:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:05,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:05,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:05,964 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:05,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:06,047 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:06,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:06,258 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:06,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 106 states and 244 transitions. [2021-11-22 23:18:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 244 transitions. [2021-11-22 23:18:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:06,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,352 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:06,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:06,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:06,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:06,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:06,600 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:18:06,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:18:06,919 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:18:06,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:18:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 107 states and 245 transitions. [2021-11-22 23:18:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 245 transitions. [2021-11-22 23:18:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:06,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,035 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:07,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:07,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:07,124 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:07,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:07,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:07,274 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:07,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:07,488 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:07,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 108 states and 246 transitions. [2021-11-22 23:18:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 246 transitions. [2021-11-22 23:18:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:07,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,587 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:07,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:07,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:07,675 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:07,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:07,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:07,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:07,725 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:07,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:08,004 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:08,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 109 states and 247 transitions. [2021-11-22 23:18:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 247 transitions. [2021-11-22 23:18:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:08,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:08,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:08,147 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:08,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:08,262 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:08,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:08,481 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:08,481 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 74 treesize of output 38 [2021-11-22 23:18:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:08,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 110 states and 248 transitions. [2021-11-22 23:18:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 248 transitions. [2021-11-22 23:18:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:08,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:08,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:08,586 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:08,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:08,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:08,720 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:08,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:08,933 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:08,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 249 transitions. [2021-11-22 23:18:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 249 transitions. [2021-11-22 23:18:08,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:08,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,039 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:09,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:09,051 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 [2021-11-22 23:18:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:09,127 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:09,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:09,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:09,163 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:09,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:09,409 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:09,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:09,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 112 states and 250 transitions. [2021-11-22 23:18:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 250 transitions. [2021-11-22 23:18:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:09,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,502 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:09,502 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:09,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:09,582 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:09,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:09,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:09,702 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:09,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:09,931 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:09,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 113 states and 251 transitions. [2021-11-22 23:18:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 251 transitions. [2021-11-22 23:18:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:09,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:10,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:10,035 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:10,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:10,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:10,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:10,156 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:10,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:10,375 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:10,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 114 states and 252 transitions. [2021-11-22 23:18:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 252 transitions. [2021-11-22 23:18:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:10,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,467 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:10,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:10,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:10,539 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:10,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:10,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:10,576 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:10,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:10,784 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:10,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 115 states and 253 transitions. [2021-11-22 23:18:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 253 transitions. [2021-11-22 23:18:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:10,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:10,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:10,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:10,901 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:10,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:10,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:10,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:10,937 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:10,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:11,036 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:11,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:11,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 116 states and 254 transitions. [2021-11-22 23:18:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 254 transitions. [2021-11-22 23:18:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:11,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,146 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:11,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:11,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:11,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:11,223 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:11,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:11,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:11,352 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:11,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:11,450 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:11,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 117 states and 255 transitions. [2021-11-22 23:18:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 255 transitions. [2021-11-22 23:18:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:11,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,549 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:11,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:11,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:11,575 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:11,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:11,665 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:11,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:11,905 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:11,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 118 states and 256 transitions. [2021-11-22 23:18:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 256 transitions. [2021-11-22 23:18:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:11,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,008 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:12,008 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:12,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:12,080 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:12,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:12,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:12,202 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:12,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:12,413 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:12,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 119 states and 257 transitions. [2021-11-22 23:18:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 257 transitions. [2021-11-22 23:18:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:12,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:12,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:12,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:12,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:12,772 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:18:12,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:18:13,113 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:18:13,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:18:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 121 states and 265 transitions. [2021-11-22 23:18:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 265 transitions. [2021-11-22 23:18:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:13,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:13,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:13,882 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:13,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:14,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:14,023 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:14,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:14,269 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:14,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 122 states and 266 transitions. [2021-11-22 23:18:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 266 transitions. [2021-11-22 23:18:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:14,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:14,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:14,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:14,415 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:14,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:14,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:14,550 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:14,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:14,783 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:14,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:14,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 123 states and 267 transitions. [2021-11-22 23:18:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 267 transitions. [2021-11-22 23:18:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:14,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,882 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:14,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:14,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:14,954 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:14,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:15,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,091 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:15,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:15,198 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:15,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 124 states and 268 transitions. [2021-11-22 23:18:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 268 transitions. [2021-11-22 23:18:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:15,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,286 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:15,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:15,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,356 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:15,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:15,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,393 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:15,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:15,635 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:15,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 125 states and 269 transitions. [2021-11-22 23:18:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 269 transitions. [2021-11-22 23:18:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:15,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:15,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,750 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:15,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:15,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:15,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,875 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:15,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:16,102 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:16,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 126 states and 270 transitions. [2021-11-22 23:18:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 270 transitions. [2021-11-22 23:18:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:16,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,187 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:16,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:16,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:16,212 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:16,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:16,302 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:16,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:16,516 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:16,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 127 states and 271 transitions. [2021-11-22 23:18:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 271 transitions. [2021-11-22 23:18:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:16,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,616 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:16,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:16,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,714 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:16,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:16,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:16,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,762 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:16,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:17,048 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:17,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 128 states and 272 transitions. [2021-11-22 23:18:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 272 transitions. [2021-11-22 23:18:17,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:17,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:17,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:17,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,189 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:17,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:17,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,321 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:17,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:17,537 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:17,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 129 states and 273 transitions. [2021-11-22 23:18:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 273 transitions. [2021-11-22 23:18:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:17,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:17,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,653 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:17,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:17,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,793 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:17,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:18,011 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:18,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:18,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 130 states and 274 transitions. [2021-11-22 23:18:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 274 transitions. [2021-11-22 23:18:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:18,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:18,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,146 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:18,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:18,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:18,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,342 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:18,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:18,648 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:18,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:18,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:18,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 131 states and 275 transitions. [2021-11-22 23:18:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 275 transitions. [2021-11-22 23:18:18,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:18,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:18,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:18,827 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:18:18,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:18:19,182 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:18:19,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:18:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 132 states and 276 transitions. [2021-11-22 23:18:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 276 transitions. [2021-11-22 23:18:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:19,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:19,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,298 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:19,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:19,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,426 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:19,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:19,646 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:19,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 133 states and 277 transitions. [2021-11-22 23:18:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 277 transitions. [2021-11-22 23:18:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:19,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:19,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:19,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,777 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:19,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:19,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,936 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:19,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:20,165 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:20,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 134 states and 278 transitions. [2021-11-22 23:18:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 278 transitions. [2021-11-22 23:18:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:20,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,250 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:20,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:20,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:20,318 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:20,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:20,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:20,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:20,458 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:20,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:20,718 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:20,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 135 states and 279 transitions. [2021-11-22 23:18:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 279 transitions. [2021-11-22 23:18:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:20,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,810 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:20,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:20,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:20,881 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:20,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:20,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:21,007 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:21,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:21,232 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:21,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 136 states and 280 transitions. [2021-11-22 23:18:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 280 transitions. [2021-11-22 23:18:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:21,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,341 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:21,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:21,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:21,371 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:21,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:21,477 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:21,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:21,701 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:21,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 137 states and 281 transitions. [2021-11-22 23:18:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 281 transitions. [2021-11-22 23:18:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:21,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,803 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 [2021-11-22 23:18:21,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:21,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:21,828 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:21,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:21,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:21,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:21,876 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:21,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:22,166 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:22,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 138 states and 282 transitions. [2021-11-22 23:18:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 282 transitions. [2021-11-22 23:18:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:22,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,264 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:22,264 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:22,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:22,357 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:22,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:22,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:22,499 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:22,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:22,726 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:22,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 139 states and 283 transitions. [2021-11-22 23:18:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 283 transitions. [2021-11-22 23:18:22,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:22,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:22,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:22,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:22,841 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:22,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:22,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:22,969 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:22,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:23,203 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:23,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 140 states and 284 transitions. [2021-11-22 23:18:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 284 transitions. [2021-11-22 23:18:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:23,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,308 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:23,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:23,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:23,381 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:23,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:23,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:23,416 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:23,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:23,630 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:23,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 141 states and 285 transitions. [2021-11-22 23:18:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 285 transitions. [2021-11-22 23:18:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:23,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:23,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:23,750 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:23,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:23,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:23,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:23,928 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:23,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:24,048 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:24,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 142 states and 286 transitions. [2021-11-22 23:18:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 286 transitions. [2021-11-22 23:18:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:24,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,162 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:24,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:24,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:24,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:24,233 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:24,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:24,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:24,375 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:24,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:24,617 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:24,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 143 states and 287 transitions. [2021-11-22 23:18:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 287 transitions. [2021-11-22 23:18:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:24,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,707 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:24,707 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:24,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:24,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:24,778 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:24,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:24,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:24,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:24,815 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:24,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:25,036 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:25,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 144 states and 288 transitions. [2021-11-22 23:18:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 288 transitions. [2021-11-22 23:18:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:25,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,136 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:25,137 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:25,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:25,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:25,210 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:25,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:25,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:25,352 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:25,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:25,444 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:25,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 145 states and 289 transitions. [2021-11-22 23:18:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 289 transitions. [2021-11-22 23:18:25,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:25,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,525 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:25,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:25,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:25,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:25,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:25,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:25,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:25,750 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:25,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:26,000 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:26,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 146 states and 290 transitions. [2021-11-22 23:18:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 290 transitions. [2021-11-22 23:18:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:26,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,075 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:26,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:26,084 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 [2021-11-22 23:18:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:26,148 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:26,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:26,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:26,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:26,307 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:26,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:26,597 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:26,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 147 states and 291 transitions. [2021-11-22 23:18:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 291 transitions. [2021-11-22 23:18:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:26,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,713 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:26,713 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:26,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:26,744 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:26,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:26,867 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:26,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:27,109 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:27,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 148 states and 292 transitions. [2021-11-22 23:18:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 292 transitions. [2021-11-22 23:18:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:27,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:27,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:27,233 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:27,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:27,336 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:27,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:27,565 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:27,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 149 states and 293 transitions. [2021-11-22 23:18:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 293 transitions. [2021-11-22 23:18:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:27,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,649 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 [2021-11-22 23:18:27,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:27,667 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:27,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:27,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:27,797 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:27,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:28,039 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:28,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 150 states and 294 transitions. [2021-11-22 23:18:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 294 transitions. [2021-11-22 23:18:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:28,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,150 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:28,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:28,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:28,222 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:28,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:28,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:28,259 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:28,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:28,482 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:28,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 151 states and 295 transitions. [2021-11-22 23:18:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 295 transitions. [2021-11-22 23:18:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:28,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,573 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:28,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:28,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:28,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:28,647 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:28,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:28,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:28,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:28,695 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:28,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:28,786 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:28,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:28,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 152 states and 296 transitions. [2021-11-22 23:18:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 296 transitions. [2021-11-22 23:18:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:28,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,899 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:28,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:28,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:28,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:28,997 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:28,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:29,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:29,162 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:29,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:29,402 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:29,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 153 states and 297 transitions. [2021-11-22 23:18:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2021-11-22 23:18:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:29,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:29,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:29,495 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:29,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:29,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:29,536 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:29,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:29,778 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:29,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 154 states and 298 transitions. [2021-11-22 23:18:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 298 transitions. [2021-11-22 23:18:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:29,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:29,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:29,904 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:29,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:30,036 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:30,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:30,349 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:30,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 155 states and 299 transitions. [2021-11-22 23:18:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 299 transitions. [2021-11-22 23:18:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:30,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,477 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:30,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:30,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:30,507 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:30,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:30,628 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:30,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:30,871 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:30,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:30,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 156 states and 300 transitions. [2021-11-22 23:18:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 300 transitions. [2021-11-22 23:18:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:30,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,971 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:30,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:30,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:30,996 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:30,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:31,065 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:31,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:31,316 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:31,317 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 74 treesize of output 38 [2021-11-22 23:18:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 157 states and 301 transitions. [2021-11-22 23:18:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 301 transitions. [2021-11-22 23:18:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:31,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:31,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:31,444 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:31,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:31,522 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:31,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:31,774 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:31,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 158 states and 302 transitions. [2021-11-22 23:18:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 302 transitions. [2021-11-22 23:18:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:31,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:31,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:31,897 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:31,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:32,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:32,031 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:32,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:32,290 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:32,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 159 states and 303 transitions. [2021-11-22 23:18:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 303 transitions. [2021-11-22 23:18:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:32,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:32,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:32,404 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:32,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:32,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:32,442 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:32,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:32,664 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:32,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:32,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 304 transitions. [2021-11-22 23:18:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 304 transitions. [2021-11-22 23:18:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:32,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,754 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:32,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:32,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:32,779 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:32,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:32,841 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:32,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:33,069 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:33,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:33,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 305 transitions. [2021-11-22 23:18:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 305 transitions. [2021-11-22 23:18:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:33,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,162 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:33,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:33,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:33,234 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:33,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:33,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:33,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:33,385 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:33,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:33,625 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:33,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 162 states and 306 transitions. [2021-11-22 23:18:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 306 transitions. [2021-11-22 23:18:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:33,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,703 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 [2021-11-22 23:18:33,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:33,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:33,723 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:33,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:33,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:33,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:33,767 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:33,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:34,009 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:34,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:34,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 163 states and 307 transitions. [2021-11-22 23:18:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 307 transitions. [2021-11-22 23:18:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:34,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,084 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 [2021-11-22 23:18:34,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:34,103 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:34,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:34,220 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:34,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:34,481 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:34,481 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 74 treesize of output 38 [2021-11-22 23:18:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 164 states and 308 transitions. [2021-11-22 23:18:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 308 transitions. [2021-11-22 23:18:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:34,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,572 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:34,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:34,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:34,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:34,647 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:34,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:34,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:34,699 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:34,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:34,921 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:34,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 165 states and 309 transitions. [2021-11-22 23:18:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 309 transitions. [2021-11-22 23:18:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:34,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:35,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:35,023 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:35,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:35,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:35,168 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:35,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:35,411 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:35,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 166 states and 310 transitions. [2021-11-22 23:18:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 310 transitions. [2021-11-22 23:18:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:35,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:35,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:35,519 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:35,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:35,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:35,556 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:35,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:35,802 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:35,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 167 states and 311 transitions. [2021-11-22 23:18:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 311 transitions. [2021-11-22 23:18:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:35,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:35,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:35,917 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:35,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:35,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:35,954 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:35,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:36,176 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:36,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 168 states and 312 transitions. [2021-11-22 23:18:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 312 transitions. [2021-11-22 23:18:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:36,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:36,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:36,284 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:36,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:36,389 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:36,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:36,643 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:36,643 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 74 treesize of output 38 [2021-11-22 23:18:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 169 states and 313 transitions. [2021-11-22 23:18:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 313 transitions. [2021-11-22 23:18:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:36,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,749 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:36,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:36,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:36,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:36,833 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:36,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:36,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:36,872 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:36,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:37,111 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:37,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 170 states and 314 transitions. [2021-11-22 23:18:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 314 transitions. [2021-11-22 23:18:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:37,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,223 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:37,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:37,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:37,296 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:37,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:37,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:37,331 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:37,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:37,560 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:37,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:37,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 171 states and 315 transitions. [2021-11-22 23:18:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 315 transitions. [2021-11-22 23:18:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:37,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:37,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:37,661 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:37,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:37,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:37,809 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:37,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:38,026 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:38,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 316 transitions. [2021-11-22 23:18:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2021-11-22 23:18:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:38,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:38,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:38,141 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:38,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:38,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:38,288 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:38,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:38,536 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:38,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 173 states and 317 transitions. [2021-11-22 23:18:38,552 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 317 transitions. [2021-11-22 23:18:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:38,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:38,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:38,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:38,660 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:38,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:38,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:38,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:38,846 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:38,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:39,078 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:39,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 318 transitions. [2021-11-22 23:18:39,096 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2021-11-22 23:18:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:39,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:39,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:39,173 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:39,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:39,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:39,310 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:39,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:39,558 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:39,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 175 states and 319 transitions. [2021-11-22 23:18:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 319 transitions. [2021-11-22 23:18:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:39,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,637 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 [2021-11-22 23:18:39,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:39,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:39,703 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:18:39,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:18:39,811 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:18:39,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:18:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 177 states and 331 transitions. [2021-11-22 23:18:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 331 transitions. [2021-11-22 23:18:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:40,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:40,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:40,715 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:40,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:40,829 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:40,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:41,039 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:41,039 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 74 treesize of output 38 [2021-11-22 23:18:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 178 states and 332 transitions. [2021-11-22 23:18:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 332 transitions. [2021-11-22 23:18:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:41,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:41,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:41,184 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:41,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:41,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:41,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:41,354 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:41,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:41,604 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:41,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 179 states and 333 transitions. [2021-11-22 23:18:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 333 transitions. [2021-11-22 23:18:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:41,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:41,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:41,717 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:41,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:41,778 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:41,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:42,045 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:42,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:42,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 180 states and 334 transitions. [2021-11-22 23:18:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 334 transitions. [2021-11-22 23:18:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:42,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:42,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:42,161 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:42,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:42,277 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:42,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:42,569 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:42,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 181 states and 335 transitions. [2021-11-22 23:18:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 335 transitions. [2021-11-22 23:18:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:42,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:42,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:42,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:42,691 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:42,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:42,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:42,878 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:42,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:42,973 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:42,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 182 states and 336 transitions. [2021-11-22 23:18:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 336 transitions. [2021-11-22 23:18:42,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:42,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,061 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:43,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:43,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:43,150 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:43,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:43,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:43,188 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:43,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:43,281 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:43,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 183 states and 337 transitions. [2021-11-22 23:18:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2021-11-22 23:18:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:43,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:43,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:43,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:43,396 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:43,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:43,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:43,434 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:43,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:43,659 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:43,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 184 states and 338 transitions. [2021-11-22 23:18:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 338 transitions. [2021-11-22 23:18:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:43,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:43,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:43,782 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:43,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:43,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:43,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:43,818 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:43,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:44,051 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:44,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:44,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 185 states and 339 transitions. [2021-11-22 23:18:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 339 transitions. [2021-11-22 23:18:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:44,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,148 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:44,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:44,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:44,225 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:44,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:44,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:44,419 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:44,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:44,524 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:44,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 186 states and 340 transitions. [2021-11-22 23:18:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 340 transitions. [2021-11-22 23:18:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:44,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:44,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:44,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:44,638 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:44,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:44,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:44,679 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:44,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:44,907 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:44,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 187 states and 341 transitions. [2021-11-22 23:18:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 341 transitions. [2021-11-22 23:18:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:44,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:44,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:45,013 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:45,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:45,123 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:45,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:45,335 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:45,335 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 74 treesize of output 38 [2021-11-22 23:18:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 188 states and 342 transitions. [2021-11-22 23:18:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 342 transitions. [2021-11-22 23:18:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:45,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,420 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:45,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:45,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:45,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:45,492 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:18:45,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:18:45,604 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:18:45,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:18:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 190 states and 354 transitions. [2021-11-22 23:18:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 354 transitions. [2021-11-22 23:18:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:46,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,582 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:46,582 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:46,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:46,606 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:18:46,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:46,721 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:18:46,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:18:47,000 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:18:47,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:18:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 192 states and 366 transitions. [2021-11-22 23:18:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 366 transitions. [2021-11-22 23:18:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:48,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,299 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 [2021-11-22 23:18:48,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:48,319 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:48,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:48,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:48,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:48,462 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:48,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:48,709 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:48,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 193 states and 367 transitions. [2021-11-22 23:18:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 367 transitions. [2021-11-22 23:18:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:48,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,811 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:18:48,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:18:48,822 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 [2021-11-22 23:18:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:48,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:49,095 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:18:49,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:18:49,491 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:18:49,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:18:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 194 states and 382 transitions. [2021-11-22 23:18:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 382 transitions. [2021-11-22 23:18:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:49,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,577 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 [2021-11-22 23:18:49,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:49,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:49,598 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:49,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:49,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:49,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:49,635 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:49,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:49,881 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:49,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 195 states and 383 transitions. [2021-11-22 23:18:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 383 transitions. [2021-11-22 23:18:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:49,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,987 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:49,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:49,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:50,090 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:50,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:50,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:50,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:50,268 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:50,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:50,511 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:50,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 196 states and 384 transitions. [2021-11-22 23:18:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 384 transitions. [2021-11-22 23:18:50,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:50,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:50,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:50,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:50,635 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:50,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:50,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:50,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:50,805 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:50,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:51,076 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:51,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:51,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:51,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 197 states and 385 transitions. [2021-11-22 23:18:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 385 transitions. [2021-11-22 23:18:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:51,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,158 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:51,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:51,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:51,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:51,232 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:51,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:51,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:51,406 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:51,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:51,667 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:51,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 198 states and 386 transitions. [2021-11-22 23:18:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 386 transitions. [2021-11-22 23:18:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:51,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:51,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:51,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:51,825 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:51,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:52,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:52,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:52,012 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:52,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:52,345 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:52,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 199 states and 387 transitions. [2021-11-22 23:18:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 387 transitions. [2021-11-22 23:18:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:52,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,448 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:52,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:52,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:52,545 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:52,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:52,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:52,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:52,594 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:52,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:52,904 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:52,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 200 states and 388 transitions. [2021-11-22 23:18:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 388 transitions. [2021-11-22 23:18:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:52,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:52,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:52,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:52,997 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:52,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:53,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:53,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:53,148 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:53,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:53,406 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:53,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 201 states and 389 transitions. [2021-11-22 23:18:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 389 transitions. [2021-11-22 23:18:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:53,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:53,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:53,539 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:53,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:53,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:53,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:53,699 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:53,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:53,802 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:53,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 202 states and 390 transitions. [2021-11-22 23:18:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 390 transitions. [2021-11-22 23:18:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:53,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:53,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:53,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:53,933 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:53,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:54,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:54,073 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:54,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:54,333 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:54,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 203 states and 391 transitions. [2021-11-22 23:18:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 391 transitions. [2021-11-22 23:18:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:54,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,425 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:54,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:54,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:54,519 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:54,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:54,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:54,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:54,681 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:54,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:54,939 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:54,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 204 states and 392 transitions. [2021-11-22 23:18:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 392 transitions. [2021-11-22 23:18:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:54,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,022 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:55,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:55,034 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 [2021-11-22 23:18:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:55,099 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:55,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:55,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:55,236 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:55,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:55,497 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:55,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:55,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 205 states and 393 transitions. [2021-11-22 23:18:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 393 transitions. [2021-11-22 23:18:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:55,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:55,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:55,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:55,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:55,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:55,642 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:55,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:55,888 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:55,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 206 states and 394 transitions. [2021-11-22 23:18:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 394 transitions. [2021-11-22 23:18:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:55,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,026 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:56,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:56,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:56,127 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:56,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:56,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:56,293 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:56,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:56,525 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:56,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 207 states and 395 transitions. [2021-11-22 23:18:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 395 transitions. [2021-11-22 23:18:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:56,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:56,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:56,640 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:56,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:56,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:56,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:56,676 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:56,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:56,929 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:56,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 208 states and 396 transitions. [2021-11-22 23:18:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 396 transitions. [2021-11-22 23:18:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:56,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:57,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:57,040 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:57,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:57,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:57,182 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:57,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:57,454 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:57,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 209 states and 397 transitions. [2021-11-22 23:18:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 397 transitions. [2021-11-22 23:18:57,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:57,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:57,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:57,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:57,555 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:57,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:57,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:57,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:57,717 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:57,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:57,974 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:57,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 210 states and 398 transitions. [2021-11-22 23:18:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 398 transitions. [2021-11-22 23:18:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:57,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,062 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 [2021-11-22 23:18:58,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:58,083 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:58,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:58,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:58,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:58,266 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:58,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:58,540 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:58,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 211 states and 399 transitions. [2021-11-22 23:18:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 399 transitions. [2021-11-22 23:18:58,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:58,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,649 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:58,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:58,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:58,729 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:58,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:58,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:58,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:58,766 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:58,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:59,013 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:59,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 212 states and 400 transitions. [2021-11-22 23:18:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 400 transitions. [2021-11-22 23:18:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:59,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:59,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:18:59,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:59,123 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:59,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:59,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:59,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:59,160 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:59,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:18:59,424 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:18:59,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:18:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 213 states and 401 transitions. [2021-11-22 23:18:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 401 transitions. [2021-11-22 23:18:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:59,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,529 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:18:59,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:18:59,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:18:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:59,607 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:18:59,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:18:59,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:59,751 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:18:59,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:00,021 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:00,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 214 states and 402 transitions. [2021-11-22 23:19:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 402 transitions. [2021-11-22 23:19:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:00,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,123 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:00,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:00,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:00,147 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:00,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:00,209 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:00,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:00,512 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:00,512 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 74 treesize of output 38 [2021-11-22 23:19:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 215 states and 403 transitions. [2021-11-22 23:19:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 403 transitions. [2021-11-22 23:19:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:00,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,615 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:00,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:00,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:00,640 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:00,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:00,745 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:00,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:01,028 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:01,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 216 states and 404 transitions. [2021-11-22 23:19:01,048 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 404 transitions. [2021-11-22 23:19:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:01,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:01,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:01,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:01,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:01,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:01,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:01,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:01,172 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:01,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:01,438 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:01,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 217 states and 405 transitions. [2021-11-22 23:19:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 405 transitions. [2021-11-22 23:19:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:01,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,588 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:01,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:01,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:01,662 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:01,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:01,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:01,808 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:01,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:02,056 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:02,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 218 states and 406 transitions. [2021-11-22 23:19:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 406 transitions. [2021-11-22 23:19:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:02,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,158 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:02,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:02,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:02,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:02,233 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:02,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:02,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:02,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:02,397 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:02,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:02,665 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:02,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 219 states and 407 transitions. [2021-11-22 23:19:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 407 transitions. [2021-11-22 23:19:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:02,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,786 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:02,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:02,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:02,863 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:02,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:02,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:02,901 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:02,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:03,166 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:03,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 220 states and 408 transitions. [2021-11-22 23:19:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 408 transitions. [2021-11-22 23:19:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:03,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,285 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:03,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:03,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:03,361 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:03,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:03,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:03,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:03,536 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:03,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:03,790 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:03,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 221 states and 409 transitions. [2021-11-22 23:19:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 409 transitions. [2021-11-22 23:19:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:03,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:03,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:03,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:03,983 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:03,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:04,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:04,021 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:04,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:04,115 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:04,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:04,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 222 states and 410 transitions. [2021-11-22 23:19:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 410 transitions. [2021-11-22 23:19:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:04,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,199 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:04,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:04,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:04,225 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:04,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:04,296 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:04,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:04,590 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:04,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:04,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 223 states and 411 transitions. [2021-11-22 23:19:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 411 transitions. [2021-11-22 23:19:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:04,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,722 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:04,723 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:04,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:04,754 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:04,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:04,884 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:04,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:05,212 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:05,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 224 states and 412 transitions. [2021-11-22 23:19:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 412 transitions. [2021-11-22 23:19:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:05,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,339 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:05,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:05,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:05,421 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:05,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:05,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:05,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:05,563 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:05,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:05,818 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:05,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 225 states and 413 transitions. [2021-11-22 23:19:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 413 transitions. [2021-11-22 23:19:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:05,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,911 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:05,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:05,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:05,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:05,990 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:05,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:06,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:06,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:06,121 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:06,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:06,375 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:06,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 226 states and 414 transitions. [2021-11-22 23:19:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 414 transitions. [2021-11-22 23:19:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:06,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,467 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:06,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:06,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:06,555 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:06,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:06,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:06,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:06,693 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:06,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:06,973 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:06,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 227 states and 415 transitions. [2021-11-22 23:19:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 415 transitions. [2021-11-22 23:19:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:06,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,068 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:07,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:07,077 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 [2021-11-22 23:19:07,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:07,141 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:07,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:07,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:07,296 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:07,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:07,387 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:07,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 228 states and 416 transitions. [2021-11-22 23:19:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 416 transitions. [2021-11-22 23:19:07,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:07,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,497 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:07,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:07,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:07,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:07,568 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:07,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:07,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:07,605 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:07,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:07,858 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:07,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 229 states and 417 transitions. [2021-11-22 23:19:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 417 transitions. [2021-11-22 23:19:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:07,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,947 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 [2021-11-22 23:19:07,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:07,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:08,251 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:19:08,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:19:08,671 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:19:08,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:19:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 231 states and 426 transitions. [2021-11-22 23:19:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 426 transitions. [2021-11-22 23:19:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:09,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,905 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:09,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:09,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:09,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:09,980 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:09,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:10,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:10,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:10,123 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:10,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:10,357 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:10,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 232 states and 427 transitions. [2021-11-22 23:19:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 427 transitions. [2021-11-22 23:19:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:10,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,454 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 [2021-11-22 23:19:10,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:10,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:10,473 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:10,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:10,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:10,608 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:10,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:10,832 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:10,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 233 states and 428 transitions. [2021-11-22 23:19:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 428 transitions. [2021-11-22 23:19:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:10,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:10,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:10,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:10,951 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:10,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:11,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:11,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:11,089 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:11,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:11,338 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:11,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 234 states and 429 transitions. [2021-11-22 23:19:11,355 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 429 transitions. [2021-11-22 23:19:11,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:11,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,431 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:11,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:11,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:11,505 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:11,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:11,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:11,543 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:11,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:11,820 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:11,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 235 states and 430 transitions. [2021-11-22 23:19:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 430 transitions. [2021-11-22 23:19:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:11,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,925 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:11,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:11,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:12,002 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:12,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:12,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:12,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:12,147 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:12,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:12,398 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:12,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:12,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 236 states and 431 transitions. [2021-11-22 23:19:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 431 transitions. [2021-11-22 23:19:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:12,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,491 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 [2021-11-22 23:19:12,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:12,509 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:12,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:12,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:12,545 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:12,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:12,805 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:12,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 237 states and 432 transitions. [2021-11-22 23:19:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 432 transitions. [2021-11-22 23:19:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:12,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,922 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:12,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:12,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:13,016 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:13,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:13,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:13,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:13,151 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:13,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:13,399 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:13,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 238 states and 433 transitions. [2021-11-22 23:19:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 433 transitions. [2021-11-22 23:19:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:13,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:13,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:13,500 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:13,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:13,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:13,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:13,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:13,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:13,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:13,635 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:13,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:13,895 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:13,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 239 states and 434 transitions. [2021-11-22 23:19:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 434 transitions. [2021-11-22 23:19:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:13,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:13,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:14,013 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:14,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:14,029 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 [2021-11-22 23:19:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:14,117 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:14,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:14,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:14,169 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:14,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:14,475 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:14,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 240 states and 435 transitions. [2021-11-22 23:19:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 435 transitions. [2021-11-22 23:19:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:14,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:14,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:14,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:14,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:14,628 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:14,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:14,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:14,672 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:14,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:14,776 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:14,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 241 states and 436 transitions. [2021-11-22 23:19:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 436 transitions. [2021-11-22 23:19:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:14,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:14,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:14,885 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:14,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:14,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:14,960 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:14,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:14,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:14,998 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:14,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:15,261 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:15,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 242 states and 437 transitions. [2021-11-22 23:19:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 437 transitions. [2021-11-22 23:19:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:15,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:15,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:15,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:15,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:15,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:15,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:15,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:15,377 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:15,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:15,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:15,415 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:15,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:15,509 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:15,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:15,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 243 states and 438 transitions. [2021-11-22 23:19:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 438 transitions. [2021-11-22 23:19:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:15,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:15,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:15,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:15,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:15,612 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:15,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:15,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:15,683 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:15,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:15,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:15,824 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:15,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:16,070 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:16,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:16,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 244 states and 439 transitions. [2021-11-22 23:19:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 439 transitions. [2021-11-22 23:19:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:16,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:16,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:16,174 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:16,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:16,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:16,248 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:16,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:16,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:16,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:16,284 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:16,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:16,540 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:16,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 245 states and 440 transitions. [2021-11-22 23:19:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 440 transitions. [2021-11-22 23:19:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:16,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:16,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:16,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:16,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:16,646 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:16,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:16,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:16,810 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:16,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:17,075 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:17,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 246 states and 441 transitions. [2021-11-22 23:19:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 441 transitions. [2021-11-22 23:19:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:17,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:17,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:17,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:17,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:17,169 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:17,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:17,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:17,342 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:17,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:17,435 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:17,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 247 states and 442 transitions. [2021-11-22 23:19:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 442 transitions. [2021-11-22 23:19:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:17,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:17,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:17,536 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:17,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:17,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:17,611 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:17,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:17,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:17,649 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:17,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:17,744 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:17,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 248 states and 443 transitions. [2021-11-22 23:19:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 443 transitions. [2021-11-22 23:19:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:17,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:17,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:17,868 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:17,868 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:17,876 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 [2021-11-22 23:19:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:17,942 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:17,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:17,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:17,983 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:17,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:18,077 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:18,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 249 states and 444 transitions. [2021-11-22 23:19:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 444 transitions. [2021-11-22 23:19:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:18,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:18,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:18,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:18,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:18,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:18,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:18,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:18,208 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:18,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:18,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:18,349 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:18,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:18,600 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:18,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 250 states and 445 transitions. [2021-11-22 23:19:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 445 transitions. [2021-11-22 23:19:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:18,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:18,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:18,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:18,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:18,719 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:18,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:18,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:18,800 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:18,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:18,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:18,835 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:18,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:19,061 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:19,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 251 states and 446 transitions. [2021-11-22 23:19:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 446 transitions. [2021-11-22 23:19:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:19,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:19,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:19,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:19,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:19,156 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:19,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:19,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:19,261 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:19,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:19,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:19,433 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:19,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:19,531 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:19,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 252 states and 447 transitions. [2021-11-22 23:19:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 447 transitions. [2021-11-22 23:19:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:19,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:19,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:19,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:19,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:19,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:19,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:19,653 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:19,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:19,715 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:19,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:20,002 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:20,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 253 states and 448 transitions. [2021-11-22 23:19:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 448 transitions. [2021-11-22 23:19:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:20,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:20,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:20,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:20,094 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 [2021-11-22 23:19:20,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:20,111 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:20,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:20,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:20,261 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:20,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:20,580 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:20,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 254 states and 449 transitions. [2021-11-22 23:19:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 449 transitions. [2021-11-22 23:19:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:20,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:20,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:20,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:20,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:20,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:20,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:20,701 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:20,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:20,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:20,739 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:20,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:20,833 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:20,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:20,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 255 states and 450 transitions. [2021-11-22 23:19:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 450 transitions. [2021-11-22 23:19:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:20,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:20,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:19:20,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:20,964 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:20,964 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:20,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:20,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:20,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:21,287 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:19:21,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:19:21,729 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:19:21,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:19:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 256 states and 451 transitions. [2021-11-22 23:19:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 451 transitions. [2021-11-22 23:19:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:21,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:21,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:21,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:21,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:21,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:21,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:21,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:21,854 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:21,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:22,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:22,020 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:22,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:22,306 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:22,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 257 states and 452 transitions. [2021-11-22 23:19:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 452 transitions. [2021-11-22 23:19:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:22,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:22,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:22,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:22,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:22,404 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:22,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:22,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:22,479 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:22,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:22,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:22,533 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:22,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:22,861 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:22,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 258 states and 453 transitions. [2021-11-22 23:19:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 453 transitions. [2021-11-22 23:19:22,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:22,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:22,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:22,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:22,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:22,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:23,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:23,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:23,019 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:23,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:23,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:23,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:23,234 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:23,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:23,517 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:23,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 259 states and 454 transitions. [2021-11-22 23:19:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 454 transitions. [2021-11-22 23:19:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:23,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:23,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:23,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:23,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:23,627 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:23,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:23,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:23,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:23,771 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:23,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:24,035 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:24,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 260 states and 455 transitions. [2021-11-22 23:19:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 455 transitions. [2021-11-22 23:19:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:24,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:24,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:24,137 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:24,137 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:24,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:24,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:24,211 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:24,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:24,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:24,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:24,355 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:24,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:24,643 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:24,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:24,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 261 states and 456 transitions. [2021-11-22 23:19:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 456 transitions. [2021-11-22 23:19:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:24,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:24,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:24,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:24,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:24,775 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:24,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:24,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:24,959 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:24,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:25,085 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:25,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 262 states and 457 transitions. [2021-11-22 23:19:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 457 transitions. [2021-11-22 23:19:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:25,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:25,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:25,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:25,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:25,223 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:25,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:25,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:25,371 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:25,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:25,465 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:25,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 263 states and 458 transitions. [2021-11-22 23:19:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 458 transitions. [2021-11-22 23:19:25,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:25,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:25,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:25,573 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:25,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:25,585 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 [2021-11-22 23:19:25,604 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:25,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:25,736 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:25,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:26,060 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:26,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 264 states and 459 transitions. [2021-11-22 23:19:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 459 transitions. [2021-11-22 23:19:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:26,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:26,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:26,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:26,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:26,173 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:26,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:26,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:26,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:26,218 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:26,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:26,474 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:26,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 265 states and 460 transitions. [2021-11-22 23:19:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 460 transitions. [2021-11-22 23:19:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:26,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:26,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:26,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:26,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:26,610 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:26,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:26,795 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:26,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:27,215 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:27,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 266 states and 461 transitions. [2021-11-22 23:19:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 461 transitions. [2021-11-22 23:19:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:27,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:27,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:27,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:27,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:27,400 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:27,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:27,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:27,594 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:27,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:27,689 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:27,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 267 states and 462 transitions. [2021-11-22 23:19:27,711 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 462 transitions. [2021-11-22 23:19:27,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:27,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:19:27,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:27,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:27,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:27,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:28,106 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:19:28,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:19:28,511 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:19:28,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:19:28,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 268 states and 463 transitions. [2021-11-22 23:19:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 463 transitions. [2021-11-22 23:19:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:28,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:28,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:28,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:28,617 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:28,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:28,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:28,693 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:28,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:28,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:28,838 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:28,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:29,119 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:29,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 269 states and 464 transitions. [2021-11-22 23:19:29,136 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 464 transitions. [2021-11-22 23:19:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:29,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:19:29,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:29,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:29,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:29,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:29,530 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:19:29,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:19:29,967 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:19:29,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:19:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 270 states and 465 transitions. [2021-11-22 23:19:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 465 transitions. [2021-11-22 23:19:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:29,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:30,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:30,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:30,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:30,095 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:30,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:30,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:30,274 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:30,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:30,547 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:30,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 271 states and 466 transitions. [2021-11-22 23:19:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 466 transitions. [2021-11-22 23:19:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:30,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:30,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:30,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:30,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:30,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:30,646 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:30,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:30,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:30,683 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:30,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:30,940 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:30,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 272 states and 467 transitions. [2021-11-22 23:19:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 467 transitions. [2021-11-22 23:19:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:30,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:31,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:31,037 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:31,037 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:31,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:31,061 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:31,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:31,195 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:31,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:31,513 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:31,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 273 states and 468 transitions. [2021-11-22 23:19:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 468 transitions. [2021-11-22 23:19:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:31,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:31,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:31,624 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:31,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:31,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:31,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:31,707 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:31,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:31,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:31,743 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:31,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:31,989 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:31,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 274 states and 469 transitions. [2021-11-22 23:19:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 469 transitions. [2021-11-22 23:19:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:32,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:32,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:32,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:32,101 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:32,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:32,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:32,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:32,175 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:32,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:32,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:32,217 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:32,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:32,490 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:32,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 275 states and 470 transitions. [2021-11-22 23:19:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 470 transitions. [2021-11-22 23:19:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:32,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:32,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:32,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:32,593 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:32,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:32,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:32,618 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:32,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:32,734 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:32,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:33,070 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:33,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:33,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 276 states and 471 transitions. [2021-11-22 23:19:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 471 transitions. [2021-11-22 23:19:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:33,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:33,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:33,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:33,174 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:33,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:33,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:33,200 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:33,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:33,265 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:33,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:33,523 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:33,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 277 states and 472 transitions. [2021-11-22 23:19:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 472 transitions. [2021-11-22 23:19:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:33,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:33,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:33,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:33,662 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:33,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:33,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:33,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:33,744 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:33,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:33,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:33,916 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:33,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:34,162 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:34,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 278 states and 473 transitions. [2021-11-22 23:19:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 473 transitions. [2021-11-22 23:19:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:34,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:34,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:34,253 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:34,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:34,264 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 [2021-11-22 23:19:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:34,335 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:34,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:34,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:34,482 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:34,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:34,754 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:34,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 279 states and 474 transitions. [2021-11-22 23:19:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 474 transitions. [2021-11-22 23:19:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:34,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:34,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:34,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:34,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:34,898 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:34,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:35,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:35,098 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:35,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:35,404 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:35,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:35,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 280 states and 475 transitions. [2021-11-22 23:19:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 475 transitions. [2021-11-22 23:19:35,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:35,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:35,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:35,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:35,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:35,509 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:35,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:35,519 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 [2021-11-22 23:19:35,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:35,586 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:35,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:35,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:35,735 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:35,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:36,012 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:36,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 281 states and 476 transitions. [2021-11-22 23:19:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 476 transitions. [2021-11-22 23:19:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:36,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:36,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:36,107 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:36,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:36,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:36,191 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:36,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:36,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:36,362 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:36,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:36,610 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:36,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 282 states and 477 transitions. [2021-11-22 23:19:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 477 transitions. [2021-11-22 23:19:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:36,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:36,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:36,703 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 [2021-11-22 23:19:36,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:36,722 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:36,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:36,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:36,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:36,877 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:36,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:37,159 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:37,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 283 states and 478 transitions. [2021-11-22 23:19:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 478 transitions. [2021-11-22 23:19:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:37,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:37,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:37,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:37,273 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:37,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:37,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:37,298 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:37,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:37,452 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:37,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:37,804 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:37,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:37,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 284 states and 479 transitions. [2021-11-22 23:19:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 479 transitions. [2021-11-22 23:19:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:37,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:37,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:37,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:37,928 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:37,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:37,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:38,043 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:38,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:38,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:38,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:38,085 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:38,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:38,425 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:38,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 285 states and 480 transitions. [2021-11-22 23:19:38,447 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 480 transitions. [2021-11-22 23:19:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:38,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:38,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:38,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:38,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:38,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:38,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:38,575 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:38,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:38,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:38,770 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:38,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:39,060 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:39,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 286 states and 481 transitions. [2021-11-22 23:19:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 481 transitions. [2021-11-22 23:19:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:39,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:39,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:39,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:39,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:39,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:39,174 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:39,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:39,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:39,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:39,211 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:39,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:39,469 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:39,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 287 states and 482 transitions. [2021-11-22 23:19:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 482 transitions. [2021-11-22 23:19:39,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:39,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:39,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:39,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:39,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:39,609 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:39,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:39,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:39,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:39,791 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:39,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:39,888 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:39,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 288 states and 483 transitions. [2021-11-22 23:19:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 483 transitions. [2021-11-22 23:19:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:39,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:39,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:39,996 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:39,996 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:40,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:40,082 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:40,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:40,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:40,257 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:40,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:40,557 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:40,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 289 states and 484 transitions. [2021-11-22 23:19:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 484 transitions. [2021-11-22 23:19:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:40,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:19:40,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:40,669 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 [2021-11-22 23:19:40,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:40,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:40,733 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:19:40,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:19:41,159 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:19:41,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:19:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 290 states and 485 transitions. [2021-11-22 23:19:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 485 transitions. [2021-11-22 23:19:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:41,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:41,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:41,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:41,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:41,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:41,295 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:41,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:41,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:41,332 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:41,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:41,623 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:41,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:41,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 291 states and 486 transitions. [2021-11-22 23:19:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 486 transitions. [2021-11-22 23:19:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:41,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:41,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:41,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:41,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:41,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:41,745 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:41,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:41,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:41,784 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:41,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:42,063 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:42,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 292 states and 487 transitions. [2021-11-22 23:19:42,080 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 487 transitions. [2021-11-22 23:19:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:42,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:42,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:42,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:42,160 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:42,160 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:42,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:42,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:42,242 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:42,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:42,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:42,280 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:42,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:42,558 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:42,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:42,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 293 states and 488 transitions. [2021-11-22 23:19:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 488 transitions. [2021-11-22 23:19:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:42,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:42,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:42,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:42,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:42,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:42,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:42,683 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:42,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:42,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:42,873 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:42,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:43,155 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:43,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 294 states and 489 transitions. [2021-11-22 23:19:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 489 transitions. [2021-11-22 23:19:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:43,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:43,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:43,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:43,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:43,264 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:43,264 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:43,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:43,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:43,339 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:43,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:43,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:43,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:43,491 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:43,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:43,595 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:43,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 295 states and 490 transitions. [2021-11-22 23:19:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 490 transitions. [2021-11-22 23:19:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:43,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:43,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:43,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:43,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:43,729 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:43,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:43,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:43,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:43,810 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:43,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:43,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:43,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:43,846 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:43,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:44,115 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:44,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:44,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:44,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 296 states and 491 transitions. [2021-11-22 23:19:44,137 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 491 transitions. [2021-11-22 23:19:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:44,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:44,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:44,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:44,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:44,226 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:44,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:44,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:44,303 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:44,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:44,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:44,339 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:44,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:44,602 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:44,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 297 states and 492 transitions. [2021-11-22 23:19:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 492 transitions. [2021-11-22 23:19:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:44,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:44,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:44,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:44,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:44,722 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:44,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:44,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:44,802 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:44,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:44,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:44,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:44,965 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:44,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:45,247 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:45,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:45,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 298 states and 493 transitions. [2021-11-22 23:19:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 493 transitions. [2021-11-22 23:19:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:45,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:45,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:45,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:45,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:45,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:45,362 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:45,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:45,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:45,400 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:45,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:45,687 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:45,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 299 states and 494 transitions. [2021-11-22 23:19:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 494 transitions. [2021-11-22 23:19:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:45,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:45,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:19:45,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:45,822 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:45,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:45,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:45,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:46,164 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:19:46,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:19:46,584 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:19:46,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:19:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 300 states and 495 transitions. [2021-11-22 23:19:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 495 transitions. [2021-11-22 23:19:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:46,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:46,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:46,710 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:46,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:46,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:46,735 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:19:46,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:46,869 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:19:46,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:19:47,196 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:19:47,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:19:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 301 states and 496 transitions. [2021-11-22 23:19:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 496 transitions. [2021-11-22 23:19:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:47,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:47,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:47,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:47,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:47,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:47,330 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:47,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:47,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:47,538 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:47,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:47,843 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:47,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:47,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 302 states and 497 transitions. [2021-11-22 23:19:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 497 transitions. [2021-11-22 23:19:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:47,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:47,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:47,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:47,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:47,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:47,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:47,972 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:47,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:48,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:48,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:48,199 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:48,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:48,485 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:48,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 303 states and 498 transitions. [2021-11-22 23:19:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 498 transitions. [2021-11-22 23:19:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:48,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:48,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:48,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:48,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:48,599 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:48,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:48,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:48,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:48,679 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:48,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:48,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:48,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:48,723 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:48,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:49,043 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:49,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 304 states and 499 transitions. [2021-11-22 23:19:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 499 transitions. [2021-11-22 23:19:49,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:49,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:49,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:49,174 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:49,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:49,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:49,266 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:49,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:49,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:49,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:49,307 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:49,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:49,613 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:49,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 305 states and 500 transitions. [2021-11-22 23:19:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 500 transitions. [2021-11-22 23:19:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:49,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:49,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:49,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:49,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:49,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:49,715 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:49,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:49,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:49,872 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:49,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:50,151 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:50,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 306 states and 501 transitions. [2021-11-22 23:19:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 501 transitions. [2021-11-22 23:19:50,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:50,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:50,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:50,272 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:50,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:50,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:50,348 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:50,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:50,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:50,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:50,386 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:50,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:50,483 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:50,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 307 states and 502 transitions. [2021-11-22 23:19:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 502 transitions. [2021-11-22 23:19:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:50,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:50,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:50,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:50,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:50,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:50,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:50,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:50,643 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:50,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:50,906 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:50,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 308 states and 503 transitions. [2021-11-22 23:19:50,923 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 503 transitions. [2021-11-22 23:19:50,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:50,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:50,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:51,004 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:51,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:51,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:51,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:51,089 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:51,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:51,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:51,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:51,236 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:51,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:51,527 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:51,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 309 states and 504 transitions. [2021-11-22 23:19:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 504 transitions. [2021-11-22 23:19:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:51,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:51,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:51,639 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:51,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:51,647 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 [2021-11-22 23:19:51,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:51,721 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:51,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:51,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:51,871 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:51,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:51,968 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:51,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 310 states and 505 transitions. [2021-11-22 23:19:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 505 transitions. [2021-11-22 23:19:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:51,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:52,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:52,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:52,085 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:52,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:52,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:52,164 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:52,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:52,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:52,346 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:52,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:52,615 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:52,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 311 states and 506 transitions. [2021-11-22 23:19:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 506 transitions. [2021-11-22 23:19:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:52,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:52,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:52,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:52,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:52,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:52,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:19:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:52,739 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:52,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:52,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:19:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:52,920 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:19:52,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:19:53,199 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:19:53,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:19:53,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:53,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 312 states and 507 transitions. [2021-11-22 23:19:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 507 transitions. [2021-11-22 23:19:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:53,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:53,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:53,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:19:53,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:53,315 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:19:53,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:19:53,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:53,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:19:53,664 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:19:53,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:19:54,140 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:19:54,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:19:54,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 313 states and 508 transitions. [2021-11-22 23:19:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 508 transitions. [2021-11-22 23:19:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:54,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:19:54,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:54,254 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:19:54,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:19:54,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:19:54,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:19:54,331 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:19:54,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-22 23:24:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 641 states and 847 transitions. [2021-11-22 23:24:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 847 transitions. [2021-11-22 23:24:17,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:17,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:17,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:17,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:17,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:17,511 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:17,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:17,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:17,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:17,628 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:17,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:17,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:17,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:17,674 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:17,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:18,175 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:18,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 642 states and 848 transitions. [2021-11-22 23:24:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 848 transitions. [2021-11-22 23:24:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:18,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:18,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:18,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:18,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:18,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:18,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:18,367 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:18,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:18,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:18,415 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:18,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:18,902 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:18,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 643 states and 849 transitions. [2021-11-22 23:24:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 849 transitions. [2021-11-22 23:24:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:18,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:19,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:19,095 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:19,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:19,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:19,210 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:19,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:19,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:19,481 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:19,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:19,904 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:19,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 644 states and 850 transitions. [2021-11-22 23:24:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 850 transitions. [2021-11-22 23:24:19,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:19,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:19,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:20,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:20,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:20,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:20,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:20,098 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:20,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:20,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:20,402 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:20,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:20,861 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:20,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 645 states and 851 transitions. [2021-11-22 23:24:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 851 transitions. [2021-11-22 23:24:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:20,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:20,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:21,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:21,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:21,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:21,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:21,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:21,044 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:21,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:21,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:21,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:21,085 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:21,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:21,448 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:21,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 646 states and 852 transitions. [2021-11-22 23:24:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 852 transitions. [2021-11-22 23:24:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:21,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:21,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:21,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:21,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:21,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:21,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:21,664 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:21,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:21,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:21,993 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:21,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:22,423 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:22,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:22,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 647 states and 853 transitions. [2021-11-22 23:24:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 853 transitions. [2021-11-22 23:24:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:22,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:22,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:22,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:22,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:22,627 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:22,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:22,637 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 [2021-11-22 23:24:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:22,748 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:22,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:22,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:22,792 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:22,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:23,290 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:23,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:23,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 648 states and 854 transitions. [2021-11-22 23:24:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 854 transitions. [2021-11-22 23:24:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:23,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:23,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:23,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:23,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:23,498 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:23,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:23,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:23,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:23,608 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:23,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:23,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:23,943 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:23,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:24,303 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:24,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 649 states and 855 transitions. [2021-11-22 23:24:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 855 transitions. [2021-11-22 23:24:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:24,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:24,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:24,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:24,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:24,525 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:24,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:24,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:24,647 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:24,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:24,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:24,905 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:24,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:25,328 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:25,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 650 states and 856 transitions. [2021-11-22 23:24:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 856 transitions. [2021-11-22 23:24:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:25,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:25,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:25,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:25,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:25,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:25,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:25,534 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:25,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:25,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:25,881 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:25,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:26,381 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:26,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 651 states and 857 transitions. [2021-11-22 23:24:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 857 transitions. [2021-11-22 23:24:26,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:26,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:26,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:26,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:26,599 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:26,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:26,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:26,717 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:26,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:26,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:26,995 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:26,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:27,458 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:27,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 652 states and 858 transitions. [2021-11-22 23:24:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 858 transitions. [2021-11-22 23:24:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:27,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:27,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:27,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:27,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:27,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:27,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:27,648 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:27,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:27,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:27,982 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:27,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:28,444 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:28,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 653 states and 859 transitions. [2021-11-22 23:24:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 859 transitions. [2021-11-22 23:24:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:28,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:28,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:28,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:24:28,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:28,613 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:24:28,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:24:28,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:28,656 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:24:28,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:28,913 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:24:28,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:24:29,593 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:24:29,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:24:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 654 states and 860 transitions. [2021-11-22 23:24:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 860 transitions. [2021-11-22 23:24:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:29,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:29,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:29,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:29,792 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:29,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:29,803 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 [2021-11-22 23:24:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:29,913 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:29,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:30,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:30,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:30,244 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:30,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:30,793 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:30,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 655 states and 861 transitions. [2021-11-22 23:24:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 861 transitions. [2021-11-22 23:24:30,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:30,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:30,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:30,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:30,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:30,970 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 [2021-11-22 23:24:30,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:30,986 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:30,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:31,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:31,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:31,337 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:31,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:31,867 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:31,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 656 states and 862 transitions. [2021-11-22 23:24:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 862 transitions. [2021-11-22 23:24:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:31,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:31,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:32,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:32,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:32,071 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:32,071 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:32,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:32,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:32,199 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:32,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:32,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:32,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:32,459 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:32,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:32,968 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:32,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 657 states and 863 transitions. [2021-11-22 23:24:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 863 transitions. [2021-11-22 23:24:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:32,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:32,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:33,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:33,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:33,184 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:33,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:33,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:33,296 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:33,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:33,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:33,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:33,633 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:33,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:34,124 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:34,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 658 states and 864 transitions. [2021-11-22 23:24:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 864 transitions. [2021-11-22 23:24:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:34,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:34,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:34,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:24:34,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:34,340 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:24:34,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:24:34,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:34,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:34,912 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:24:34,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:24:35,773 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:24:35,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:24:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 659 states and 865 transitions. [2021-11-22 23:24:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 865 transitions. [2021-11-22 23:24:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:35,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:35,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:35,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:35,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:35,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:35,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:35,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:35,976 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:35,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:36,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:36,256 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:36,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:36,681 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:36,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 660 states and 866 transitions. [2021-11-22 23:24:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 866 transitions. [2021-11-22 23:24:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:36,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:36,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:24:36,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:36,854 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 [2021-11-22 23:24:36,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:36,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:36,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:37,410 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:24:37,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:24:38,212 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:24:38,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:24:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 661 states and 867 transitions. [2021-11-22 23:24:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 867 transitions. [2021-11-22 23:24:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:38,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:38,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:38,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:24:38,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:38,403 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:24:38,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:24:38,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:38,426 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:24:38,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:38,702 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:24:38,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:24:39,214 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:24:39,214 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 74 treesize of output 38 [2021-11-22 23:24:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 662 states and 868 transitions. [2021-11-22 23:24:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 868 transitions. [2021-11-22 23:24:39,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:39,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:39,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:39,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:39,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:39,404 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:39,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:39,412 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 [2021-11-22 23:24:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:39,526 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:39,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:39,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:39,778 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:39,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:39,902 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:39,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 663 states and 869 transitions. [2021-11-22 23:24:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 869 transitions. [2021-11-22 23:24:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:39,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:39,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:40,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:40,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:40,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:40,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:40,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:40,157 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:40,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:40,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:40,208 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:40,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:40,322 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:40,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 664 states and 870 transitions. [2021-11-22 23:24:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 870 transitions. [2021-11-22 23:24:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:40,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:40,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:40,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:40,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:40,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:40,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:40,507 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:40,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:40,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:40,573 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:40,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:41,053 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:41,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:41,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 665 states and 871 transitions. [2021-11-22 23:24:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 871 transitions. [2021-11-22 23:24:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:41,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:41,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:41,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:24:41,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:41,261 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:24:41,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:24:41,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:41,289 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:24:41,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:41,401 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:24:41,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:24:42,126 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:24:42,127 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 74 treesize of output 38 [2021-11-22 23:24:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 666 states and 872 transitions. [2021-11-22 23:24:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 872 transitions. [2021-11-22 23:24:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:42,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:42,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:42,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:42,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:42,367 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:42,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:42,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:42,489 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:42,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:42,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:42,792 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:42,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:43,347 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:43,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 667 states and 873 transitions. [2021-11-22 23:24:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 873 transitions. [2021-11-22 23:24:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:43,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:43,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:43,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:43,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:43,581 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:43,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:43,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:43,960 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:43,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:44,556 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:44,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 668 states and 874 transitions. [2021-11-22 23:24:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 874 transitions. [2021-11-22 23:24:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:44,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,762 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:44,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:44,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:44,893 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:44,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:45,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:45,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:45,277 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:45,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:45,811 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:45,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 669 states and 875 transitions. [2021-11-22 23:24:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 875 transitions. [2021-11-22 23:24:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:45,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,030 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:46,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:46,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:46,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:46,154 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:46,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:46,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:46,512 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:46,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:47,017 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:47,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 670 states and 876 transitions. [2021-11-22 23:24:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 876 transitions. [2021-11-22 23:24:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:47,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,233 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:47,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:47,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:47,350 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:47,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:47,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:47,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:47,648 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:47,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:48,154 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:48,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 671 states and 877 transitions. [2021-11-22 23:24:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 877 transitions. [2021-11-22 23:24:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:48,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:48,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:48,378 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:48,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:48,654 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:48,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:49,037 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:49,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 672 states and 878 transitions. [2021-11-22 23:24:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 878 transitions. [2021-11-22 23:24:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:49,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,250 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:49,250 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:49,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:49,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:49,380 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:49,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:49,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:49,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:49,701 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:49,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:49,820 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:49,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 673 states and 879 transitions. [2021-11-22 23:24:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 879 transitions. [2021-11-22 23:24:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:49,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:50,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:50,036 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:24:50,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:50,282 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:24:50,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:24:50,914 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:24:50,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:24:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 674 states and 880 transitions. [2021-11-22 23:24:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 880 transitions. [2021-11-22 23:24:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:50,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,096 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:51,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:51,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:51,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:51,218 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:51,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:51,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:51,489 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:51,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:51,880 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:51,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 675 states and 881 transitions. [2021-11-22 23:24:51,905 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 881 transitions. [2021-11-22 23:24:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:51,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:52,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:52,119 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:52,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:52,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:52,393 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:52,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:52,887 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:52,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 676 states and 882 transitions. [2021-11-22 23:24:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 882 transitions. [2021-11-22 23:24:52,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:52,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,116 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:53,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:53,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:53,243 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:53,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:53,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:53,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:53,573 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:53,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:54,175 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:54,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 677 states and 883 transitions. [2021-11-22 23:24:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 883 transitions. [2021-11-22 23:24:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:54,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:54,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:54,373 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:54,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:54,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:54,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:54,725 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:54,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:55,188 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:55,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 678 states and 884 transitions. [2021-11-22 23:24:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 884 transitions. [2021-11-22 23:24:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:55,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,400 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:55,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:55,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:55,517 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:55,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:55,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:55,561 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:55,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:56,004 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:56,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 679 states and 885 transitions. [2021-11-22 23:24:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 885 transitions. [2021-11-22 23:24:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:56,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,205 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:56,205 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:56,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:56,319 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:56,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:56,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:56,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:56,363 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:56,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:56,819 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:56,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 680 states and 886 transitions. [2021-11-22 23:24:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 886 transitions. [2021-11-22 23:24:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:56,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,012 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:24:57,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:24:57,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:57,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:57,130 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:57,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:57,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:57,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:57,424 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:57,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:24:57,817 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:24:57,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:24:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 681 states and 887 transitions. [2021-11-22 23:24:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 887 transitions. [2021-11-22 23:24:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:57,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,008 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:24:58,008 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:24:58,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:58,033 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:24:58,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:58,294 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:24:58,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:24:59,072 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:24:59,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:24:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 682 states and 888 transitions. [2021-11-22 23:24:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 888 transitions. [2021-11-22 23:24:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:59,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:24:59,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:24:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:59,329 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:24:59,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:24:59,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:24:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:24:59,379 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:24:59,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:00,070 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:00,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 683 states and 889 transitions. [2021-11-22 23:25:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 889 transitions. [2021-11-22 23:25:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:00,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,295 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:00,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:00,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:00,444 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:00,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:00,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:00,501 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:00,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:01,241 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:01,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:01,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 684 states and 890 transitions. [2021-11-22 23:25:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 890 transitions. [2021-11-22 23:25:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:01,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:01,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:01,457 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:01,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:01,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:01,891 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:01,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:02,476 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:02,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 685 states and 891 transitions. [2021-11-22 23:25:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 891 transitions. [2021-11-22 23:25:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:02,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,695 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:02,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:02,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:02,842 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:02,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:03,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:03,178 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:03,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:03,781 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:03,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 686 states and 892 transitions. [2021-11-22 23:25:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 892 transitions. [2021-11-22 23:25:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:03,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,038 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:25:04,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:25:04,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:04,067 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:25:04,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:04,212 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:25:04,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:25:05,025 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:25:05,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:25:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 687 states and 893 transitions. [2021-11-22 23:25:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 893 transitions. [2021-11-22 23:25:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:05,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,288 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:05,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:05,299 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 [2021-11-22 23:25:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:05,434 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:05,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:05,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:05,770 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:05,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:06,235 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:06,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 688 states and 894 transitions. [2021-11-22 23:25:06,269 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 894 transitions. [2021-11-22 23:25:06,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:06,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,430 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:06,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:06,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:06,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:06,575 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:06,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:06,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:06,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:06,623 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:06,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:07,158 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:07,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 689 states and 895 transitions. [2021-11-22 23:25:07,176 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 895 transitions. [2021-11-22 23:25:07,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:07,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:07,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:07,398 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:07,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:07,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:07,812 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:07,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:08,405 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:08,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 690 states and 896 transitions. [2021-11-22 23:25:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 896 transitions. [2021-11-22 23:25:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:08,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,626 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:08,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:08,635 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 [2021-11-22 23:25:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:08,767 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:08,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:08,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:08,814 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:08,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:09,509 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:09,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 691 states and 897 transitions. [2021-11-22 23:25:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 897 transitions. [2021-11-22 23:25:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:09,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,737 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:09,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:09,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:09,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:09,879 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:09,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:09,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:09,935 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:09,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:10,521 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:10,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 692 states and 898 transitions. [2021-11-22 23:25:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 898 transitions. [2021-11-22 23:25:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:10,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,703 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 [2021-11-22 23:25:10,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:10,724 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:10,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:11,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:11,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:11,061 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:11,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:11,641 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:11,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 693 states and 899 transitions. [2021-11-22 23:25:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 899 transitions. [2021-11-22 23:25:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:11,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:11,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:11,879 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:11,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:12,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:12,264 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:12,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:12,800 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:12,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 694 states and 900 transitions. [2021-11-22 23:25:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 900 transitions. [2021-11-22 23:25:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:12,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:13,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:13,042 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:25:13,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:13,372 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:25:13,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:25:14,203 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:25:14,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:25:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 695 states and 901 transitions. [2021-11-22 23:25:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 901 transitions. [2021-11-22 23:25:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:14,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:14,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:14,421 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:14,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:14,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:14,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:14,809 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:14,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:14,932 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:14,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 696 states and 902 transitions. [2021-11-22 23:25:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 902 transitions. [2021-11-22 23:25:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:14,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,089 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 [2021-11-22 23:25:15,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:15,108 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:15,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:15,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:15,156 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:15,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:15,743 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:15,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 697 states and 903 transitions. [2021-11-22 23:25:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 903 transitions. [2021-11-22 23:25:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:15,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,967 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:15,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:15,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:16,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:16,106 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:16,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:16,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:16,444 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:16,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:17,027 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:17,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 698 states and 904 transitions. [2021-11-22 23:25:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 904 transitions. [2021-11-22 23:25:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:17,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:17,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:17,257 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:17,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:17,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:17,305 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:17,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:18,011 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:18,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:18,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 699 states and 905 transitions. [2021-11-22 23:25:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 905 transitions. [2021-11-22 23:25:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:18,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,230 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:18,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:18,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:18,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:18,365 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:18,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:18,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:18,774 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:18,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:19,239 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:19,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 700 states and 906 transitions. [2021-11-22 23:25:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 906 transitions. [2021-11-22 23:25:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:19,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,429 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 [2021-11-22 23:25:19,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:19,450 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:19,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:19,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:19,788 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:19,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:20,334 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:20,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 701 states and 907 transitions. [2021-11-22 23:25:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 907 transitions. [2021-11-22 23:25:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:20,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:20,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:20,554 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:20,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:20,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:20,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:20,602 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:20,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:21,144 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:21,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 702 states and 908 transitions. [2021-11-22 23:25:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 908 transitions. [2021-11-22 23:25:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:21,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:21,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:21,404 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:21,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:21,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:21,735 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:21,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:22,446 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:22,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 703 states and 909 transitions. [2021-11-22 23:25:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 909 transitions. [2021-11-22 23:25:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:22,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:22,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:22,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:22,660 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:22,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:22,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:22,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:22,708 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:22,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:23,301 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:23,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 704 states and 910 transitions. [2021-11-22 23:25:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 910 transitions. [2021-11-22 23:25:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:23,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:23,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:23,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:23,508 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:23,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:23,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:23,558 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:23,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:24,045 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:24,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 705 states and 911 transitions. [2021-11-22 23:25:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 911 transitions. [2021-11-22 23:25:24,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:24,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,256 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:24,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:24,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:24,394 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:24,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:24,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:24,458 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:24,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:25,011 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:25,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 706 states and 912 transitions. [2021-11-22 23:25:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 912 transitions. [2021-11-22 23:25:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:25,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,234 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:25,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:25,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:25,363 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:25,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:25,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:25,684 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:25,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:26,329 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:26,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 707 states and 913 transitions. [2021-11-22 23:25:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 913 transitions. [2021-11-22 23:25:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:26,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,582 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:25:26,582 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:25:26,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:26,608 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:25:26,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:26,938 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:25:26,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:25:27,845 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:25:27,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:25:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 708 states and 914 transitions. [2021-11-22 23:25:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 914 transitions. [2021-11-22 23:25:27,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:27,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,086 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:28,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:28,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:28,236 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:28,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:28,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:28,598 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:28,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:29,136 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:29,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 709 states and 915 transitions. [2021-11-22 23:25:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 915 transitions. [2021-11-22 23:25:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:29,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,330 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:29,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:29,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:29,475 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:29,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:29,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:29,816 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:29,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:30,414 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:30,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 710 states and 916 transitions. [2021-11-22 23:25:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 916 transitions. [2021-11-22 23:25:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:30,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:30,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:30,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:30,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:31,337 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:25:31,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:25:32,410 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:25:32,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:25:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 711 states and 917 transitions. [2021-11-22 23:25:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 917 transitions. [2021-11-22 23:25:32,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:32,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:32,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:32,635 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:32,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:32,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:32,974 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:32,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:33,548 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:33,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 712 states and 918 transitions. [2021-11-22 23:25:33,576 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 918 transitions. [2021-11-22 23:25:33,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:33,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,780 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 [2021-11-22 23:25:33,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:33,799 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:33,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:34,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:34,224 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:34,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:34,759 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:34,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 713 states and 919 transitions. [2021-11-22 23:25:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 919 transitions. [2021-11-22 23:25:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:34,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:34,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:34,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:34,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:34,995 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:34,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:35,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:35,142 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:35,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:35,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:35,192 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:35,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:35,749 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:35,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:35,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 714 states and 920 transitions. [2021-11-22 23:25:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 920 transitions. [2021-11-22 23:25:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:35,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:35,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:35,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:35,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:35,975 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:35,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:35,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:36,114 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:36,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:36,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:36,173 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:36,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:36,298 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:36,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 715 states and 921 transitions. [2021-11-22 23:25:36,325 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 921 transitions. [2021-11-22 23:25:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:36,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:36,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:36,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:36,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:36,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:36,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:36,547 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:36,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:36,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:36,994 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:36,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:37,723 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:37,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 716 states and 922 transitions. [2021-11-22 23:25:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 922 transitions. [2021-11-22 23:25:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:37,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:37,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:37,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:37,963 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:37,964 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:37,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:38,131 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:38,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:38,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:38,525 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:38,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:39,111 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:39,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 717 states and 923 transitions. [2021-11-22 23:25:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 923 transitions. [2021-11-22 23:25:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:39,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:39,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:39,346 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:25:39,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:25:39,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:39,372 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:25:39,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:39,712 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:25:39,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:25:40,528 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:25:40,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:25:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 718 states and 924 transitions. [2021-11-22 23:25:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 924 transitions. [2021-11-22 23:25:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:40,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:40,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:25:40,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:40,772 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:25:40,772 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:25:40,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:40,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:41,513 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:25:41,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:25:42,621 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:25:42,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:25:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:42,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 719 states and 925 transitions. [2021-11-22 23:25:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 925 transitions. [2021-11-22 23:25:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:42,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:42,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:42,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:42,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:42,876 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 [2021-11-22 23:25:42,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:42,894 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:42,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:42,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:42,950 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:42,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:43,573 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:43,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 720 states and 926 transitions. [2021-11-22 23:25:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 926 transitions. [2021-11-22 23:25:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:43,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:43,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:43,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:43,832 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:43,832 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:43,844 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 [2021-11-22 23:25:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:43,988 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:43,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:44,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:44,043 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:44,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:44,798 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:44,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 721 states and 927 transitions. [2021-11-22 23:25:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 927 transitions. [2021-11-22 23:25:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:44,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:44,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:45,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:45,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:45,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:45,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:45,046 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:25:45,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:45,193 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:25:45,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:25:46,125 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:25:46,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:25:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 722 states and 928 transitions. [2021-11-22 23:25:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 928 transitions. [2021-11-22 23:25:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:46,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:46,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:46,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:46,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:46,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:46,385 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:25:46,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:46,740 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:25:46,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:25:47,633 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:25:47,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:25:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 723 states and 929 transitions. [2021-11-22 23:25:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 929 transitions. [2021-11-22 23:25:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:47,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:47,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:47,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:47,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:47,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:47,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:47,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:47,896 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:47,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:48,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:48,327 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:48,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:48,948 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:48,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:48,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 724 states and 930 transitions. [2021-11-22 23:25:48,976 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 930 transitions. [2021-11-22 23:25:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:48,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:48,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:49,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:49,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:49,202 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:49,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:49,213 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 [2021-11-22 23:25:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:49,359 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:49,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:49,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:49,750 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:49,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:50,291 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:50,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 725 states and 931 transitions. [2021-11-22 23:25:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 931 transitions. [2021-11-22 23:25:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:50,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:50,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:50,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:50,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:50,498 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:50,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:50,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:50,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,632 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:50,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:50,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,953 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:50,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:51,076 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:51,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:51,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 726 states and 932 transitions. [2021-11-22 23:25:51,094 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 932 transitions. [2021-11-22 23:25:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:51,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:51,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:51,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:51,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:51,284 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:51,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:51,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:51,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:51,419 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:51,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:51,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:51,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:51,799 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:51,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:52,303 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:52,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 727 states and 933 transitions. [2021-11-22 23:25:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 933 transitions. [2021-11-22 23:25:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:52,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:52,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:52,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:52,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:52,556 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:52,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:52,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:52,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:52,698 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:52,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:53,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,106 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:53,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:53,793 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:53,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 728 states and 934 transitions. [2021-11-22 23:25:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 934 transitions. [2021-11-22 23:25:53,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:53,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:53,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:53,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:53,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:54,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:54,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:54,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:54,021 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:54,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:54,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:54,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:54,292 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:54,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:54,786 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:54,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 729 states and 935 transitions. [2021-11-22 23:25:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 935 transitions. [2021-11-22 23:25:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:54,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:54,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:54,979 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:54,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:54,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:55,109 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:55,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:55,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:55,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:55,154 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:55,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:55,659 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:55,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:55,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 730 states and 936 transitions. [2021-11-22 23:25:55,684 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 936 transitions. [2021-11-22 23:25:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:55,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:55,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:55,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:55,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:55,850 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:25:55,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:25:55,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:55,963 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:55,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:56,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:56,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,014 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:56,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:56,478 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:56,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 731 states and 937 transitions. [2021-11-22 23:25:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 937 transitions. [2021-11-22 23:25:56,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:56,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:56,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:56,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:56,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:56,687 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:25:56,687 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:25:56,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:56,717 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:25:56,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:56,835 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:25:56,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:25:57,360 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:25:57,360 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 74 treesize of output 38 [2021-11-22 23:25:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 732 states and 938 transitions. [2021-11-22 23:25:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 938 transitions. [2021-11-22 23:25:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:57,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:57,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:57,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:57,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:57,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:57,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:57,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:57,586 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:57,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:57,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:57,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:57,939 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:57,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:58,456 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:58,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 733 states and 939 transitions. [2021-11-22 23:25:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 939 transitions. [2021-11-22 23:25:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:58,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:58,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:58,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:58,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:58,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:58,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:58,700 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:58,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:58,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:58,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:58,749 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:58,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:25:59,358 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:25:59,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:25:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 734 states and 940 transitions. [2021-11-22 23:25:59,376 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 940 transitions. [2021-11-22 23:25:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:59,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:59,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:59,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:25:59,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:59,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:25:59,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:25:59,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,608 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:25:59,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:25:59,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:59,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,928 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:25:59,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:00,420 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:00,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 735 states and 941 transitions. [2021-11-22 23:26:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 941 transitions. [2021-11-22 23:26:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:00,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:00,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:00,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:00,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:00,587 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:00,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:00,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:00,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:00,706 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:00,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:00,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:00,975 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:00,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:01,464 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:01,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 736 states and 942 transitions. [2021-11-22 23:26:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 942 transitions. [2021-11-22 23:26:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:01,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:01,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:01,673 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 [2021-11-22 23:26:01,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:01,693 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:01,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:02,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:02,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:02,032 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:02,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:02,553 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:02,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 737 states and 943 transitions. [2021-11-22 23:26:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 943 transitions. [2021-11-22 23:26:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:02,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:02,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:02,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:02,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:02,777 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:02,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:02,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:02,921 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:02,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:03,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:03,249 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:03,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:03,748 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:03,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 738 states and 944 transitions. [2021-11-22 23:26:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 944 transitions. [2021-11-22 23:26:03,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:03,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:03,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:03,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:03,946 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:03,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:03,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:04,093 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:04,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:04,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:04,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:04,482 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:04,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:04,614 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:04,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 739 states and 945 transitions. [2021-11-22 23:26:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 945 transitions. [2021-11-22 23:26:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:04,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:04,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:04,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:04,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:04,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:04,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:04,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:04,880 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:04,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:05,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:05,270 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:05,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:05,398 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:05,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 740 states and 946 transitions. [2021-11-22 23:26:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 946 transitions. [2021-11-22 23:26:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:05,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:05,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:05,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:05,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:05,632 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:05,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:05,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:05,766 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:05,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:06,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:06,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,092 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:06,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:06,219 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:06,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 741 states and 947 transitions. [2021-11-22 23:26:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 947 transitions. [2021-11-22 23:26:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:06,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:06,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:06,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:06,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:06,461 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:26:06,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:26:06,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:06,490 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:06,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:06,610 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:06,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:07,476 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:07,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 742 states and 948 transitions. [2021-11-22 23:26:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 948 transitions. [2021-11-22 23:26:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:07,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:07,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:07,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:26:07,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:07,705 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:26:07,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:26:07,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:07,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:08,408 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:26:08,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:26:08,599 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:26:08,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:26:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 743 states and 949 transitions. [2021-11-22 23:26:08,618 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 949 transitions. [2021-11-22 23:26:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:08,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:08,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:08,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:26:08,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:08,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:08,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:08,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:09,638 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:26:09,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:26:10,866 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:26:10,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:26:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 744 states and 950 transitions. [2021-11-22 23:26:10,885 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 950 transitions. [2021-11-22 23:26:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:10,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:10,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:11,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:11,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:11,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:11,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:11,109 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:11,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:11,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:11,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:11,519 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:11,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:12,148 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:12,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 745 states and 951 transitions. [2021-11-22 23:26:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 951 transitions. [2021-11-22 23:26:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:12,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:12,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:12,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:12,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:12,371 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:12,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:12,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:12,504 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:12,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:12,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:12,844 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:12,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:13,432 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:13,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 746 states and 952 transitions. [2021-11-22 23:26:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 952 transitions. [2021-11-22 23:26:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:13,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:13,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:13,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:13,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:13,655 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:26:13,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:26:13,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:13,686 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:13,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:14,033 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:14,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:14,865 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:14,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 747 states and 953 transitions. [2021-11-22 23:26:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 953 transitions. [2021-11-22 23:26:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:14,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:14,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:15,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:15,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:15,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:15,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:15,122 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:15,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:15,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:15,434 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:15,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:15,967 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:15,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 748 states and 954 transitions. [2021-11-22 23:26:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 954 transitions. [2021-11-22 23:26:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:15,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:15,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:16,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:16,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:16,191 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:16,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:16,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:16,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:16,330 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:16,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:16,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:16,668 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:16,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:17,197 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:17,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:17,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 749 states and 955 transitions. [2021-11-22 23:26:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 955 transitions. [2021-11-22 23:26:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:17,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:17,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:17,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:17,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:17,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:17,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:17,429 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:17,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:17,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:17,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:17,759 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:17,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:18,306 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:18,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 750 states and 956 transitions. [2021-11-22 23:26:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 956 transitions. [2021-11-22 23:26:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:18,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:18,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:18,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:18,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:18,539 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:18,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:18,546 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 [2021-11-22 23:26:18,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:18,673 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:18,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:18,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:18,724 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:18,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:19,438 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:19,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 751 states and 957 transitions. [2021-11-22 23:26:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 957 transitions. [2021-11-22 23:26:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:19,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:19,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:19,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:19,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:19,657 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:19,658 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:19,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:19,797 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:19,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:20,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:20,204 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:20,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:20,708 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:20,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 752 states and 958 transitions. [2021-11-22 23:26:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 958 transitions. [2021-11-22 23:26:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:20,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:20,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:20,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:20,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:20,899 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:26:20,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:26:20,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:20,925 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:20,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:21,282 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:21,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:22,071 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:22,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 753 states and 959 transitions. [2021-11-22 23:26:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 959 transitions. [2021-11-22 23:26:22,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:22,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:22,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:22,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:22,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:22,295 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:22,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:22,303 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 [2021-11-22 23:26:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:22,435 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:22,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:22,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:22,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:22,872 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:22,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:23,429 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:23,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 754 states and 960 transitions. [2021-11-22 23:26:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 960 transitions. [2021-11-22 23:26:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:23,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:23,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:23,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:23,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:23,703 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:23,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:23,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:23,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:23,850 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:23,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:24,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:24,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:24,290 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:24,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:24,422 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:24,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 755 states and 961 transitions. [2021-11-22 23:26:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 961 transitions. [2021-11-22 23:26:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:24,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:24,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:24,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:24,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:24,683 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:24,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:24,691 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 [2021-11-22 23:26:24,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:24,830 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:24,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:25,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:25,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:25,194 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:25,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:25,748 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:25,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 756 states and 962 transitions. [2021-11-22 23:26:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 962 transitions. [2021-11-22 23:26:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:25,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:25,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:25,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:25,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:25,956 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:26:25,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:26:25,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:25,985 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:25,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:26,344 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:26,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:27,286 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:27,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 757 states and 963 transitions. [2021-11-22 23:26:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 963 transitions. [2021-11-22 23:26:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:27,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:27,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:27,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:27,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:27,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:27,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:27,554 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:27,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:27,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:27,986 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:27,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:28,558 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:28,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 758 states and 964 transitions. [2021-11-22 23:26:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 964 transitions. [2021-11-22 23:26:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:28,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:28,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:28,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:26:28,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:28,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:28,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:28,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:28,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:29,504 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:26:29,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:26:30,639 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:26:30,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:26:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 759 states and 965 transitions. [2021-11-22 23:26:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 965 transitions. [2021-11-22 23:26:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:30,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:30,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:30,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:30,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:30,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:30,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:30,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:30,859 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:30,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:31,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:31,208 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:31,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:31,821 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:31,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 760 states and 966 transitions. [2021-11-22 23:26:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 966 transitions. [2021-11-22 23:26:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:31,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:31,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:32,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:32,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:32,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:32,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:32,106 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:32,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:32,500 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:32,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:33,370 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:33,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 761 states and 967 transitions. [2021-11-22 23:26:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 967 transitions. [2021-11-22 23:26:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:33,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:33,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:33,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:33,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:33,610 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:33,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:33,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:33,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:33,753 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:33,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:33,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:33,799 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:33,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:34,533 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:34,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 762 states and 968 transitions. [2021-11-22 23:26:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 968 transitions. [2021-11-22 23:26:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:34,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:34,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:34,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:34,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:34,750 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:34,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:34,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:34,896 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:34,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:35,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:35,322 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:35,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:35,950 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:35,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 763 states and 969 transitions. [2021-11-22 23:26:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 969 transitions. [2021-11-22 23:26:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:35,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:35,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:36,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:26:36,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:36,231 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:26:36,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:26:36,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:36,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:36,309 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:26:36,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:26:37,488 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:26:37,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:26:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 764 states and 970 transitions. [2021-11-22 23:26:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 970 transitions. [2021-11-22 23:26:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:37,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:37,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:37,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:37,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:37,696 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:26:37,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:26:37,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:37,726 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:37,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:37,869 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:37,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:38,754 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:38,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 765 states and 971 transitions. [2021-11-22 23:26:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 971 transitions. [2021-11-22 23:26:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:38,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:38,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:39,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:39,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:39,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:39,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:39,056 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:39,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:39,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:39,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:39,402 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:39,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:39,944 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:39,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 766 states and 972 transitions. [2021-11-22 23:26:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 972 transitions. [2021-11-22 23:26:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:39,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:39,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:40,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:26:40,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:40,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:40,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:40,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:40,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:40,892 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:26:40,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:26:41,871 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:26:41,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:26:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 767 states and 973 transitions. [2021-11-22 23:26:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 973 transitions. [2021-11-22 23:26:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:41,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:41,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:42,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:42,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:42,114 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:42,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:42,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:42,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:42,260 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:42,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:42,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:42,310 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:42,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:42,807 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:42,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 768 states and 974 transitions. [2021-11-22 23:26:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 974 transitions. [2021-11-22 23:26:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:42,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:42,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:43,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:26:43,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:43,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:43,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:43,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:43,720 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:26:43,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:26:44,935 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:26:44,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:26:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 769 states and 975 transitions. [2021-11-22 23:26:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 975 transitions. [2021-11-22 23:26:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:44,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:44,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:45,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:45,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:45,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:45,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:45,222 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:45,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:45,356 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:45,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:46,087 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:46,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 770 states and 976 transitions. [2021-11-22 23:26:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 976 transitions. [2021-11-22 23:26:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:46,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:46,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:46,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:46,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:46,348 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:46,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:46,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:46,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:46,493 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:46,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:46,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:46,934 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:46,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:47,555 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:47,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 771 states and 977 transitions. [2021-11-22 23:26:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 977 transitions. [2021-11-22 23:26:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:47,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:47,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:47,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:26:47,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:47,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:47,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:47,773 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:26:47,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:47,932 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:26:47,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:26:48,929 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:26:48,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:26:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 772 states and 978 transitions. [2021-11-22 23:26:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 978 transitions. [2021-11-22 23:26:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:48,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:49,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:49,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:49,138 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:49,139 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:49,148 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 [2021-11-22 23:26:49,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:49,285 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:49,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:49,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:49,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:49,343 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:49,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:49,904 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:49,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 773 states and 979 transitions. [2021-11-22 23:26:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 979 transitions. [2021-11-22 23:26:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:49,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:49,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:50,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:50,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:50,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:50,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:50,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:50,132 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:50,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:50,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:50,561 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:50,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:51,158 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:51,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 774 states and 980 transitions. [2021-11-22 23:26:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 980 transitions. [2021-11-22 23:26:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:51,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:51,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:51,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:51,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:51,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:51,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:51,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:51,409 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:51,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:51,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:51,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:51,822 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:51,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:52,449 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:52,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:52,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 775 states and 981 transitions. [2021-11-22 23:26:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 981 transitions. [2021-11-22 23:26:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:52,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:52,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:52,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:52,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:52,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:52,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:52,685 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:52,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:53,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:53,033 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:53,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:53,650 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:53,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 776 states and 982 transitions. [2021-11-22 23:26:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 982 transitions. [2021-11-22 23:26:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:53,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:53,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:53,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:53,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:53,847 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:53,847 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:53,854 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 [2021-11-22 23:26:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:53,987 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:53,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:54,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:54,045 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:54,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:54,679 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:54,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 777 states and 983 transitions. [2021-11-22 23:26:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 983 transitions. [2021-11-22 23:26:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:54,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:54,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:54,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:54,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:54,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:54,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:54,927 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:54,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:55,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:55,371 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:55,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:55,984 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:55,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 778 states and 984 transitions. [2021-11-22 23:26:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 984 transitions. [2021-11-22 23:26:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:56,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:56,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:56,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:56,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:56,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:56,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:26:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:56,246 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:56,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:56,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:56,584 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:56,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:57,181 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:57,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 779 states and 985 transitions. [2021-11-22 23:26:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 985 transitions. [2021-11-22 23:26:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:57,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:57,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:57,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:57,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:57,411 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:57,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:57,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:57,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:57,559 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:57,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:57,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:57,913 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:57,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:58,492 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:58,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 780 states and 986 transitions. [2021-11-22 23:26:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 986 transitions. [2021-11-22 23:26:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:58,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:58,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:58,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:26:58,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:58,734 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:26:58,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:26:58,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:26:58,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:58,872 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:26:58,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:26:59,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:59,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:59,235 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:26:59,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:26:59,806 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:26:59,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:26:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 781 states and 987 transitions. [2021-11-22 23:26:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 987 transitions. [2021-11-22 23:26:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:26:59,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:59,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:00,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:00,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:00,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:00,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:00,067 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:00,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:00,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:00,432 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:00,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:01,067 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:01,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 782 states and 988 transitions. [2021-11-22 23:27:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 988 transitions. [2021-11-22 23:27:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:01,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:01,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:01,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:27:01,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:01,264 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:27:01,264 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:27:01,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:01,294 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:27:01,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:01,729 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:27:01,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:27:02,555 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:27:02,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:27:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 783 states and 989 transitions. [2021-11-22 23:27:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 989 transitions. [2021-11-22 23:27:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:02,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:02,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:02,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:02,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:02,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:02,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:02,841 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:02,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:03,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:03,267 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:03,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:03,411 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:03,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 784 states and 990 transitions. [2021-11-22 23:27:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 990 transitions. [2021-11-22 23:27:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:03,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:03,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:03,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:27:03,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:03,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:03,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:03,711 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:27:03,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:03,912 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:27:03,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:27:04,834 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:27:04,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:27:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 785 states and 991 transitions. [2021-11-22 23:27:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 991 transitions. [2021-11-22 23:27:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:04,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:04,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:05,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:05,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:05,079 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:05,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:05,089 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 [2021-11-22 23:27:05,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:05,225 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:05,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:05,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:05,583 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:05,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:06,317 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:06,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 786 states and 992 transitions. [2021-11-22 23:27:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 992 transitions. [2021-11-22 23:27:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:06,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:06,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:06,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:27:06,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:06,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:06,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:06,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:06,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:07,290 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:27:07,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:27:08,309 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:27:08,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:27:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 787 states and 993 transitions. [2021-11-22 23:27:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 993 transitions. [2021-11-22 23:27:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:08,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:08,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:08,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:08,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:08,556 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:08,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:08,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:08,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:08,715 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:08,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:09,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:09,159 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:09,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:09,738 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:09,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 788 states and 994 transitions. [2021-11-22 23:27:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 994 transitions. [2021-11-22 23:27:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:09,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:09,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:09,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:09,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:09,960 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:09,960 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:09,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:10,106 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:10,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:10,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:10,478 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:10,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:11,122 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:11,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 789 states and 995 transitions. [2021-11-22 23:27:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 995 transitions. [2021-11-22 23:27:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:11,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:11,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:11,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:11,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:11,411 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:11,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:11,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:11,557 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:11,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:11,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:11,996 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:11,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:12,553 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:12,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:12,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 790 states and 996 transitions. [2021-11-22 23:27:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 996 transitions. [2021-11-22 23:27:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:12,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:12,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:12,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:27:12,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:12,807 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 [2021-11-22 23:27:12,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:12,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:13,515 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:27:13,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:27:14,618 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:27:14,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:27:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 791 states and 997 transitions. [2021-11-22 23:27:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 997 transitions. [2021-11-22 23:27:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:14,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:14,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:14,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:14,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:14,862 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:14,862 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:14,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:15,002 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:15,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:15,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:15,057 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:15,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:15,190 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:15,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 792 states and 998 transitions. [2021-11-22 23:27:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 998 transitions. [2021-11-22 23:27:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:15,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:15,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:15,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:15,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:15,404 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:15,405 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:15,414 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 [2021-11-22 23:27:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:15,560 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:15,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:15,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:15,608 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:15,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:16,301 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:16,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 793 states and 999 transitions. [2021-11-22 23:27:16,344 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 999 transitions. [2021-11-22 23:27:16,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:16,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:16,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:16,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:16,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:16,503 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:16,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:16,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:16,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:16,641 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:16,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:16,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:16,689 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:16,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:17,246 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:17,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 794 states and 1000 transitions. [2021-11-22 23:27:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1000 transitions. [2021-11-22 23:27:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:17,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:17,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:17,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:17,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:17,501 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 [2021-11-22 23:27:17,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:17,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:17,534 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:17,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:17,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:17,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:17,863 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:17,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:18,501 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:18,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:18,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 795 states and 1001 transitions. [2021-11-22 23:27:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1001 transitions. [2021-11-22 23:27:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:18,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:18,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:18,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:18,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:18,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:18,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:18,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:18,780 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:18,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:19,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:19,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:19,160 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:19,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:19,786 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:19,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 796 states and 1002 transitions. [2021-11-22 23:27:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1002 transitions. [2021-11-22 23:27:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:19,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:19,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:20,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:20,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:20,052 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:20,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:20,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:20,198 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:20,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:20,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:20,628 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:20,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:21,352 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:21,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 797 states and 1003 transitions. [2021-11-22 23:27:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1003 transitions. [2021-11-22 23:27:21,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:21,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:21,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:21,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:27:21,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:21,576 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:27:21,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:27:21,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:21,608 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:27:21,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:21,742 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:27:21,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:27:22,446 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:27:22,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:27:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 798 states and 1004 transitions. [2021-11-22 23:27:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1004 transitions. [2021-11-22 23:27:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:22,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:22,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:22,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:27:22,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:22,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:22,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:22,709 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:27:22,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:23,066 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:27:23,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:27:23,983 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:27:23,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:27:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 799 states and 1005 transitions. [2021-11-22 23:27:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1005 transitions. [2021-11-22 23:27:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:24,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:24,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:24,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:24,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:24,223 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:24,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:24,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:24,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:24,364 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:24,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:24,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:24,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:24,706 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:24,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:25,325 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:25,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:25,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 800 states and 1006 transitions. [2021-11-22 23:27:25,360 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1006 transitions. [2021-11-22 23:27:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:25,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:25,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:25,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:27:25,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:25,522 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:27:25,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:27:25,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:25,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:25,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:26,309 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:27:26,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:27:26,505 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:27:26,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:27:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 801 states and 1007 transitions. [2021-11-22 23:27:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1007 transitions. [2021-11-22 23:27:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:26,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:26,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:26,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:26,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:26,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:26,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:26,840 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:26,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:27,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:27,201 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:27,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:27,800 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:27,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 802 states and 1008 transitions. [2021-11-22 23:27:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1008 transitions. [2021-11-22 23:27:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:27,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:27,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:28,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:28,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:28,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:28,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:28,068 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:28,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:28,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:28,422 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:28,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:28,551 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:28,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 803 states and 1009 transitions. [2021-11-22 23:27:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1009 transitions. [2021-11-22 23:27:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:28,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:28,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:28,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:28,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:28,816 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:28,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:28,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:28,957 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:28,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:29,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:29,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:29,360 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:29,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:29,965 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:29,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 804 states and 1010 transitions. [2021-11-22 23:27:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1010 transitions. [2021-11-22 23:27:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:30,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:30,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:30,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:27:30,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:30,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:30,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:30,253 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:27:30,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:30,618 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:27:30,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:27:31,580 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:27:31,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:27:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 805 states and 1011 transitions. [2021-11-22 23:27:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1011 transitions. [2021-11-22 23:27:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:31,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:31,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:31,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:31,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:31,828 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:31,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:31,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:31,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:31,979 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:31,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:32,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:32,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:32,036 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:32,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:32,734 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:32,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 806 states and 1012 transitions. [2021-11-22 23:27:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1012 transitions. [2021-11-22 23:27:32,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:32,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:32,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:33,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:33,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:33,026 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:33,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:33,034 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 [2021-11-22 23:27:33,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:33,175 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:33,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:33,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:33,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:33,233 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:33,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:33,744 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:33,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 807 states and 1013 transitions. [2021-11-22 23:27:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1013 transitions. [2021-11-22 23:27:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:33,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:33,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:33,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:33,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:33,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:33,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:34,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:34,003 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:34,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:34,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:34,060 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:34,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:34,687 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:34,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 808 states and 1014 transitions. [2021-11-22 23:27:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1014 transitions. [2021-11-22 23:27:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:34,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:34,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:34,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:34,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:34,959 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:34,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:34,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:35,112 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:35,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:35,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:35,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:35,563 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:35,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:36,282 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:36,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 809 states and 1015 transitions. [2021-11-22 23:27:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1015 transitions. [2021-11-22 23:27:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:36,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:36,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:36,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:36,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:36,540 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:36,541 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:36,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:36,678 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:36,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:37,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:37,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:37,041 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:37,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:37,595 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:37,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:37,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 810 states and 1016 transitions. [2021-11-22 23:27:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1016 transitions. [2021-11-22 23:27:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:37,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:37,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:37,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:37,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:37,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:37,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:37,868 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:37,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:38,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:38,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:38,235 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:38,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:38,372 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:38,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:38,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 811 states and 1017 transitions. [2021-11-22 23:27:38,415 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1017 transitions. [2021-11-22 23:27:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:38,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:38,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:38,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:38,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:38,637 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 [2021-11-22 23:27:38,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:38,655 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:38,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:39,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:39,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:39,070 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:39,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:39,819 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:39,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 812 states and 1018 transitions. [2021-11-22 23:27:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1018 transitions. [2021-11-22 23:27:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:39,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:39,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:40,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:40,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:40,075 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:40,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:40,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:40,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:40,215 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:40,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:40,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:40,576 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:40,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:40,712 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:40,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 813 states and 1019 transitions. [2021-11-22 23:27:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1019 transitions. [2021-11-22 23:27:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:40,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:40,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:40,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:27:40,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:40,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:40,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:40,986 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:27:40,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:41,336 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:27:41,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:27:42,325 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:27:42,325 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 74 treesize of output 38 [2021-11-22 23:27:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 814 states and 1020 transitions. [2021-11-22 23:27:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1020 transitions. [2021-11-22 23:27:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:42,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:42,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:42,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:42,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:42,582 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:42,582 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:42,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:42,729 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:42,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:43,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:43,098 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:43,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:43,688 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:43,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 815 states and 1021 transitions. [2021-11-22 23:27:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1021 transitions. [2021-11-22 23:27:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:43,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:43,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:43,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:43,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:43,930 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:43,930 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:43,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:44,083 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:44,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:44,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:44,461 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:44,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:44,593 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:44,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 816 states and 1022 transitions. [2021-11-22 23:27:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1022 transitions. [2021-11-22 23:27:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:44,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:44,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:44,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:44,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:44,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:44,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:44,878 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:44,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:44,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:44,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:44,936 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:44,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:45,637 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:45,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 817 states and 1023 transitions. [2021-11-22 23:27:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1023 transitions. [2021-11-22 23:27:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:45,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:45,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:45,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:45,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:45,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:45,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:45,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:45,936 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:45,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:45,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:45,985 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:45,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:46,640 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:46,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 818 states and 1024 transitions. [2021-11-22 23:27:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1024 transitions. [2021-11-22 23:27:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:46,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:46,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:46,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:46,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:46,876 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 [2021-11-22 23:27:46,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:46,893 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:46,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:47,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:47,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:47,260 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:47,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:47,849 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:47,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 819 states and 1025 transitions. [2021-11-22 23:27:47,894 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1025 transitions. [2021-11-22 23:27:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:47,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:47,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:48,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:48,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:48,125 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:48,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:48,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:48,280 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:48,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:48,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:48,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:48,639 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:48,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:49,234 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:49,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 820 states and 1026 transitions. [2021-11-22 23:27:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1026 transitions. [2021-11-22 23:27:49,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:49,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:49,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:49,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:49,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:49,487 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:49,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:49,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:49,643 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:49,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:50,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:50,114 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:50,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:50,889 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:50,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 821 states and 1027 transitions. [2021-11-22 23:27:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1027 transitions. [2021-11-22 23:27:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:50,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:50,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:51,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:51,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:51,167 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:51,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:51,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:51,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:51,319 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:51,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:51,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:51,369 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:51,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:51,925 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:51,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 822 states and 1028 transitions. [2021-11-22 23:27:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1028 transitions. [2021-11-22 23:27:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:51,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:51,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:52,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:27:52,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:52,197 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:27:52,197 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:27:52,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:52,222 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:27:52,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:52,580 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:27:52,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:27:53,532 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:27:53,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:27:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 823 states and 1029 transitions. [2021-11-22 23:27:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1029 transitions. [2021-11-22 23:27:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:53,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:53,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:53,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:53,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:53,748 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:53,748 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:53,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:53,890 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:53,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:54,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:54,257 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:54,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:54,853 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:54,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 824 states and 1030 transitions. [2021-11-22 23:27:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1030 transitions. [2021-11-22 23:27:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:54,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:54,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:55,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:55,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:55,107 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:27:55,108 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:27:55,117 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 [2021-11-22 23:27:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:55,254 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:55,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:55,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:55,634 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:55,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:55,765 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:55,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 825 states and 1031 transitions. [2021-11-22 23:27:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1031 transitions. [2021-11-22 23:27:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:55,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:55,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:56,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:56,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:56,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:56,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:56,044 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:56,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:56,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:56,103 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:56,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:56,752 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:56,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 826 states and 1032 transitions. [2021-11-22 23:27:56,801 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1032 transitions. [2021-11-22 23:27:56,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:56,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:56,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:57,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:57,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:57,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:57,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:57,091 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:57,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:57,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:57,151 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:57,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:57,772 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:57,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 827 states and 1033 transitions. [2021-11-22 23:27:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1033 transitions. [2021-11-22 23:27:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:57,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:57,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:58,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:58,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:58,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:58,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:58,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:58,071 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:27:58,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:58,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:27:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:58,125 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:27:58,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:27:58,697 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:27:58,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:27:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:58,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 828 states and 1034 transitions. [2021-11-22 23:27:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1034 transitions. [2021-11-22 23:27:58,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:58,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:58,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:58,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:27:58,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:58,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:58,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:58,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:27:59,056 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:27:59,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:27:59,255 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:27:59,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:27:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 829 states and 1035 transitions. [2021-11-22 23:27:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1035 transitions. [2021-11-22 23:27:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:27:59,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:59,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:27:59,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:59,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:27:59,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:27:59,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:27:59,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:00,209 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:28:00,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:28:01,253 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:28:01,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:28:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 830 states and 1036 transitions. [2021-11-22 23:28:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1036 transitions. [2021-11-22 23:28:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:01,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:01,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:01,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:01,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:01,546 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:01,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:01,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:01,698 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:01,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:02,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:02,072 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:02,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:02,595 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:02,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 831 states and 1037 transitions. [2021-11-22 23:28:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1037 transitions. [2021-11-22 23:28:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:02,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:02,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:02,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:02,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:02,852 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:02,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:02,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:03,003 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:03,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:03,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:03,366 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:03,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:04,106 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:04,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 832 states and 1038 transitions. [2021-11-22 23:28:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1038 transitions. [2021-11-22 23:28:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:04,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:04,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:04,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:04,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:04,358 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:04,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:04,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:04,500 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:04,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:04,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:04,861 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:04,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:04,994 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:04,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 833 states and 1039 transitions. [2021-11-22 23:28:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1039 transitions. [2021-11-22 23:28:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:05,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:05,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:05,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:05,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:05,254 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:05,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:05,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:05,408 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:05,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:05,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:05,464 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:05,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:05,998 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:05,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:06,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 834 states and 1040 transitions. [2021-11-22 23:28:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1040 transitions. [2021-11-22 23:28:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:06,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:06,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:06,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:06,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:06,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:06,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:06,265 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:06,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:06,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:06,646 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:06,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:07,263 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:07,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 835 states and 1041 transitions. [2021-11-22 23:28:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1041 transitions. [2021-11-22 23:28:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:07,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:07,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:07,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:07,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:07,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:07,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:07,507 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:07,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:07,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:07,870 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:07,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:08,532 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:08,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 836 states and 1042 transitions. [2021-11-22 23:28:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1042 transitions. [2021-11-22 23:28:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:08,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:08,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:08,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:08,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:08,813 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:08,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:08,822 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 [2021-11-22 23:28:08,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:08,967 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:08,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:09,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:09,016 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:09,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:09,152 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:09,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:09,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:09,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 837 states and 1043 transitions. [2021-11-22 23:28:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1043 transitions. [2021-11-22 23:28:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:09,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:09,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:09,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:09,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:09,427 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 [2021-11-22 23:28:09,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:09,445 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:09,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:09,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:09,497 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:09,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:10,347 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:10,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 838 states and 1044 transitions. [2021-11-22 23:28:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1044 transitions. [2021-11-22 23:28:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:10,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:10,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:10,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:10,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:10,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:10,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:10,603 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:10,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:11,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:11,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:11,079 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:11,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:11,824 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:11,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:11,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:11,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 839 states and 1045 transitions. [2021-11-22 23:28:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1045 transitions. [2021-11-22 23:28:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:11,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:11,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:12,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:12,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:12,041 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:12,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:12,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:12,184 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:12,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:12,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:12,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:12,547 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:12,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:12,676 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:12,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 840 states and 1046 transitions. [2021-11-22 23:28:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1046 transitions. [2021-11-22 23:28:12,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:12,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:12,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:12,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:12,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:12,878 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 [2021-11-22 23:28:12,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:12,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:12,896 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:12,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:13,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:13,253 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:13,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:14,036 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:14,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 841 states and 1047 transitions. [2021-11-22 23:28:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1047 transitions. [2021-11-22 23:28:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:14,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:14,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:14,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:14,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:14,331 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:14,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:14,341 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 [2021-11-22 23:28:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:14,477 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:14,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:14,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:14,940 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:14,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:15,705 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:15,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 842 states and 1048 transitions. [2021-11-22 23:28:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1048 transitions. [2021-11-22 23:28:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:15,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:15,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:15,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:15,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:16,003 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:16,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:16,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:16,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:16,158 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:16,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:16,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:16,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:16,209 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:16,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:16,993 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:16,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 843 states and 1049 transitions. [2021-11-22 23:28:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1049 transitions. [2021-11-22 23:28:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:17,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:17,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:17,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:28:17,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:17,204 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:28:17,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:28:17,213 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 [2021-11-22 23:28:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:17,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:17,917 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:28:17,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:28:19,227 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:28:19,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:28:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:19,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 844 states and 1050 transitions. [2021-11-22 23:28:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1050 transitions. [2021-11-22 23:28:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:19,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:19,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:19,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:28:19,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:19,488 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:28:19,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:28:19,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:19,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:20,206 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:28:20,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:28:21,451 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:28:21,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:28:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 845 states and 1051 transitions. [2021-11-22 23:28:21,476 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1051 transitions. [2021-11-22 23:28:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:21,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:21,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:21,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:21,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:21,701 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 [2021-11-22 23:28:21,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:21,720 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:21,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:22,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:22,097 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:22,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:22,653 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:22,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 846 states and 1052 transitions. [2021-11-22 23:28:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1052 transitions. [2021-11-22 23:28:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:22,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:22,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:22,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:22,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:22,910 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:22,910 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:22,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:23,057 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:23,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:23,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:23,436 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:23,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:23,568 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:23,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 847 states and 1053 transitions. [2021-11-22 23:28:23,596 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1053 transitions. [2021-11-22 23:28:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:23,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:23,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:23,799 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:23,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:23,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:23,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:23,956 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:23,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:24,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:24,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:24,397 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:24,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:24,529 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:24,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 848 states and 1054 transitions. [2021-11-22 23:28:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1054 transitions. [2021-11-22 23:28:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:24,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:24,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:24,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:24,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:24,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:24,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:24,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:24,800 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:24,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:24,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:24,856 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:24,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:25,451 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:25,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 849 states and 1055 transitions. [2021-11-22 23:28:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1055 transitions. [2021-11-22 23:28:25,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:25,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:25,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:25,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:25,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:25,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:25,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:25,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:25,784 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:25,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:26,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:26,259 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:26,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:26,860 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:26,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 850 states and 1056 transitions. [2021-11-22 23:28:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1056 transitions. [2021-11-22 23:28:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:26,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:26,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:27,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:27,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:27,145 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:27,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:27,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:27,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:27,297 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:27,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:27,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:27,347 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:27,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:27,944 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:27,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 851 states and 1057 transitions. [2021-11-22 23:28:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1057 transitions. [2021-11-22 23:28:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:27,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:27,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:28,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:28,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:28,203 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:28,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:28,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:28,359 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:28,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:28,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:28,408 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:28,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:29,196 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:29,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 852 states and 1058 transitions. [2021-11-22 23:28:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1058 transitions. [2021-11-22 23:28:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:29,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:29,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:29,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:29,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:29,494 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:29,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:29,501 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 [2021-11-22 23:28:29,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:29,643 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:29,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:29,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:29,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:29,693 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:29,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:30,332 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:30,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 853 states and 1059 transitions. [2021-11-22 23:28:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1059 transitions. [2021-11-22 23:28:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:30,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:30,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:30,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:30,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:30,584 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:30,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:30,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:30,741 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:30,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:30,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:30,791 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:30,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:31,385 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:31,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 854 states and 1060 transitions. [2021-11-22 23:28:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1060 transitions. [2021-11-22 23:28:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:31,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:31,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:31,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:31,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:31,619 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:31,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:31,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:31,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:31,768 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:31,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:31,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:31,818 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:31,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:32,571 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:32,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 855 states and 1061 transitions. [2021-11-22 23:28:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1061 transitions. [2021-11-22 23:28:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:32,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:32,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:32,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:32,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:32,796 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 [2021-11-22 23:28:32,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:32,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:32,814 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:32,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:32,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:32,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:32,863 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:32,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:32,996 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:32,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:33,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 856 states and 1062 transitions. [2021-11-22 23:28:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1062 transitions. [2021-11-22 23:28:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:33,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:33,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:33,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:28:33,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:33,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:33,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:33,269 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:28:33,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:34,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:34,272 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-22 23:28:34,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50 [2021-11-22 23:28:35,646 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:28:35,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 38 [2021-11-22 23:28:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 857 states and 1063 transitions. [2021-11-22 23:28:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1063 transitions. [2021-11-22 23:28:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:35,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:35,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:35,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:28:35,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:35,907 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:28:35,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:28:35,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:35,938 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:28:35,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:36,343 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:28:36,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:28:37,283 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:28:37,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:28:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 858 states and 1064 transitions. [2021-11-22 23:28:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1064 transitions. [2021-11-22 23:28:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:37,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:37,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:37,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:28:37,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:37,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:37,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:37,503 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:28:37,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:37,871 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:28:37,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:28:38,602 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:28:38,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:28:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 859 states and 1065 transitions. [2021-11-22 23:28:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1065 transitions. [2021-11-22 23:28:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:38,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:38,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:38,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:38,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:38,863 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:38,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:38,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:39,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:39,027 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:39,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:39,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:39,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:39,077 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:39,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:39,696 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:39,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 860 states and 1066 transitions. [2021-11-22 23:28:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1066 transitions. [2021-11-22 23:28:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:39,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:39,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:39,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:28:39,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:39,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:39,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:39,950 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:28:39,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:40,352 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:28:40,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:28:41,420 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:28:41,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:28:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 861 states and 1067 transitions. [2021-11-22 23:28:41,487 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1067 transitions. [2021-11-22 23:28:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:41,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:41,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:41,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:41,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:41,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:41,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:41,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:41,743 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:41,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:41,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:41,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:41,792 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:41,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:42,430 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:42,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 862 states and 1068 transitions. [2021-11-22 23:28:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1068 transitions. [2021-11-22 23:28:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:42,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:42,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:42,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:28:42,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:42,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:42,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:42,746 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:28:42,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:43,132 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:28:43,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:28:44,032 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:28:44,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:28:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:44,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:44,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 863 states and 1069 transitions. [2021-11-22 23:28:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1069 transitions. [2021-11-22 23:28:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:44,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:44,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:44,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:44,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:44,347 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:44,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:44,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:44,499 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:44,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:44,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:44,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:44,970 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:44,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:45,107 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:45,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 864 states and 1070 transitions. [2021-11-22 23:28:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1070 transitions. [2021-11-22 23:28:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:45,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:45,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:45,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:45,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:45,358 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:45,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:45,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:45,516 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:45,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:45,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:45,892 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:45,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:46,486 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:46,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 865 states and 1071 transitions. [2021-11-22 23:28:46,515 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1071 transitions. [2021-11-22 23:28:46,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:46,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:46,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:46,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:46,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:46,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:46,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:46,747 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:46,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:47,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:47,226 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:47,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:47,810 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:47,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 866 states and 1072 transitions. [2021-11-22 23:28:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1072 transitions. [2021-11-22 23:28:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:47,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:47,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:48,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:48,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:48,087 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:48,088 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:48,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:48,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:48,250 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:48,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:48,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:48,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:48,728 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:48,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:49,345 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:49,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 867 states and 1073 transitions. [2021-11-22 23:28:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1073 transitions. [2021-11-22 23:28:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:49,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:49,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:49,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:49,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:49,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:49,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:49,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:49,569 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:49,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:50,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:50,079 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:50,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:50,638 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:50,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 868 states and 1074 transitions. [2021-11-22 23:28:50,658 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1074 transitions. [2021-11-22 23:28:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:50,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:50,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:50,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:50,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:50,867 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:50,868 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:50,876 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 [2021-11-22 23:28:51,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:51,024 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:51,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:51,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:51,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:51,416 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:51,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:52,231 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:52,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 869 states and 1075 transitions. [2021-11-22 23:28:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1075 transitions. [2021-11-22 23:28:52,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:52,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:52,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:52,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:52,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:52,525 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:52,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:52,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:52,677 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:52,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:53,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:53,042 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:53,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:53,832 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:53,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 870 states and 1076 transitions. [2021-11-22 23:28:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1076 transitions. [2021-11-22 23:28:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:53,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:53,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:54,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:28:54,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:54,130 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:28:54,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:28:54,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:54,161 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:28:54,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:54,326 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:28:54,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:28:55,328 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:28:55,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:28:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:55,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 871 states and 1077 transitions. [2021-11-22 23:28:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1077 transitions. [2021-11-22 23:28:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:55,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:55,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:55,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:55,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:55,534 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:28:55,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:28:55,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:55,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:55,682 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:55,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:55,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:55,731 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:55,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:28:56,336 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:28:56,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:28:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 872 states and 1078 transitions. [2021-11-22 23:28:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1078 transitions. [2021-11-22 23:28:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:56,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:56,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:28:56,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:56,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:28:56,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:56,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:57,413 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:28:57,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:28:58,794 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:28:58,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:28:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 873 states and 1079 transitions. [2021-11-22 23:28:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1079 transitions. [2021-11-22 23:28:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:28:58,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:58,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:59,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:28:59,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:59,094 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 [2021-11-22 23:28:59,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:28:59,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:59,115 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:28:59,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:28:59,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:28:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:28:59,173 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:28:59,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:00,029 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:00,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 874 states and 1080 transitions. [2021-11-22 23:29:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1080 transitions. [2021-11-22 23:29:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:00,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:00,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:00,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:29:00,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:00,271 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:29:00,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:29:00,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:00,298 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:29:00,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:00,700 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:29:00,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:29:01,467 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:29:01,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:29:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 875 states and 1081 transitions. [2021-11-22 23:29:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1081 transitions. [2021-11-22 23:29:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:01,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:01,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:01,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:01,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:01,737 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:01,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:01,746 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 [2021-11-22 23:29:01,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:01,894 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:01,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:02,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:02,285 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:02,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:02,909 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:02,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 876 states and 1082 transitions. [2021-11-22 23:29:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1082 transitions. [2021-11-22 23:29:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:02,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:02,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:03,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:03,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:03,188 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:03,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:03,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:03,336 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:03,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:03,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:03,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:03,725 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:03,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:04,520 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:04,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 877 states and 1083 transitions. [2021-11-22 23:29:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1083 transitions. [2021-11-22 23:29:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:04,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:04,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:04,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:04,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:04,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:04,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:04,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:04,802 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:04,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:04,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:04,853 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:04,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:05,552 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:05,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 878 states and 1084 transitions. [2021-11-22 23:29:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1084 transitions. [2021-11-22 23:29:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:05,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:05,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:05,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:29:05,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:05,797 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:29:05,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:29:05,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:05,822 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:29:05,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:06,235 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:29:06,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:29:07,283 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:29:07,283 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 74 treesize of output 38 [2021-11-22 23:29:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 879 states and 1085 transitions. [2021-11-22 23:29:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1085 transitions. [2021-11-22 23:29:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:07,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:07,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:07,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:07,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:07,487 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:07,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:07,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:07,647 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:07,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:08,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:08,117 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:08,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:08,732 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:08,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 880 states and 1086 transitions. [2021-11-22 23:29:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1086 transitions. [2021-11-22 23:29:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:08,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:08,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:08,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:08,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:08,966 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:08,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:08,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:09,131 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:09,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:09,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:09,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:09,637 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:09,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:10,445 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:10,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 881 states and 1087 transitions. [2021-11-22 23:29:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1087 transitions. [2021-11-22 23:29:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:10,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:10,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:10,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:10,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:10,699 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:10,700 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:10,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:10,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:10,847 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:10,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:10,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:10,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:10,898 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:10,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:11,576 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:11,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 882 states and 1088 transitions. [2021-11-22 23:29:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1088 transitions. [2021-11-22 23:29:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:11,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:11,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:11,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:11,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:11,861 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:11,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:11,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:12,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:12,015 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:12,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:12,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:12,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:12,387 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:12,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:13,157 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:13,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 883 states and 1089 transitions. [2021-11-22 23:29:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1089 transitions. [2021-11-22 23:29:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:13,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:13,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:13,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:13,384 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 [2021-11-22 23:29:13,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:13,401 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:13,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:13,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:13,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:13,852 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:13,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:13,989 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:13,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 884 states and 1090 transitions. [2021-11-22 23:29:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1090 transitions. [2021-11-22 23:29:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:14,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:14,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:14,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:14,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:14,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:14,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:14,271 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:14,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:14,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:14,321 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:14,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:15,157 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:15,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 885 states and 1091 transitions. [2021-11-22 23:29:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1091 transitions. [2021-11-22 23:29:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:15,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:15,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:15,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:15,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:15,433 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:15,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:15,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:15,584 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:15,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:15,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:15,642 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:15,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:16,421 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:16,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:16,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 886 states and 1092 transitions. [2021-11-22 23:29:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1092 transitions. [2021-11-22 23:29:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:16,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:16,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:16,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:29:16,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:16,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:16,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:16,682 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:29:16,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:16,828 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:29:16,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:29:17,749 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:29:17,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:29:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 887 states and 1093 transitions. [2021-11-22 23:29:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1093 transitions. [2021-11-22 23:29:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:17,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:17,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:17,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:17,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:17,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:18,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:18,016 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:18,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:18,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:18,485 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:18,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:19,303 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:19,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 888 states and 1094 transitions. [2021-11-22 23:29:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1094 transitions. [2021-11-22 23:29:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:19,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:19,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:19,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:19,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:19,597 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:19,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:19,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:19,765 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:19,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:20,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:20,259 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:20,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:20,813 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:20,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 889 states and 1095 transitions. [2021-11-22 23:29:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1095 transitions. [2021-11-22 23:29:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:20,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:20,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:21,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:21,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:21,063 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:21,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:21,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:21,221 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:21,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:21,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:21,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:21,620 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:21,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:22,399 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:22,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 890 states and 1096 transitions. [2021-11-22 23:29:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1096 transitions. [2021-11-22 23:29:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:22,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:22,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:22,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:22,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:22,689 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:22,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:22,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:22,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:22,844 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:22,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:23,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:23,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:23,311 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:23,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:23,949 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:23,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 891 states and 1097 transitions. [2021-11-22 23:29:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1097 transitions. [2021-11-22 23:29:23,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:23,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:23,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:24,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:24,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:24,229 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:24,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:24,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:24,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:24,388 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:24,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:24,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:24,886 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:24,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:25,518 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:25,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 892 states and 1098 transitions. [2021-11-22 23:29:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1098 transitions. [2021-11-22 23:29:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:25,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:25,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:25,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:25,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:25,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:25,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:25,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:25,788 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:25,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:26,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:26,252 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:26,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:26,390 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:26,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 893 states and 1099 transitions. [2021-11-22 23:29:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1099 transitions. [2021-11-22 23:29:26,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:26,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:26,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:26,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:26,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:26,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:26,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:26,665 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:26,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:26,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:26,725 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:26,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:27,368 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:27,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 894 states and 1100 transitions. [2021-11-22 23:29:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1100 transitions. [2021-11-22 23:29:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:27,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:27,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:27,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:27,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:27,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:27,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:27,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:27,640 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:27,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:27,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:28,006 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:28,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:28,555 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:28,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 895 states and 1101 transitions. [2021-11-22 23:29:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1101 transitions. [2021-11-22 23:29:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:28,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:28,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:28,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:29:28,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:28,805 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:29:28,805 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:29:28,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:28,836 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:29:28,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:29,248 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-22 23:29:29,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-22 23:29:30,265 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-22 23:29:30,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 23:29:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 896 states and 1102 transitions. [2021-11-22 23:29:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1102 transitions. [2021-11-22 23:29:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:30,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:30,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:30,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:29:30,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:30,584 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-22 23:29:30,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-22 23:29:30,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:30,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:31,488 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-22 23:29:31,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2021-11-22 23:29:32,831 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-22 23:29:32,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2021-11-22 23:29:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 897 states and 1103 transitions. [2021-11-22 23:29:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1103 transitions. [2021-11-22 23:29:32,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:32,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:32,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:33,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:33,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:33,228 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:33,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:33,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:33,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:33,408 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:33,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:33,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:33,865 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:33,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:34,809 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:34,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 898 states and 1104 transitions. [2021-11-22 23:29:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1104 transitions. [2021-11-22 23:29:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:34,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:34,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:35,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:35,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:35,098 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:35,099 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:35,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:35,278 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:35,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:35,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:35,826 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:35,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:36,584 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:36,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 899 states and 1105 transitions. [2021-11-22 23:29:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1105 transitions. [2021-11-22 23:29:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:36,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:36,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:36,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:36,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:36,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:36,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:36,877 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:36,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:36,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:36,933 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:36,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:37,671 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:37,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 900 states and 1106 transitions. [2021-11-22 23:29:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1106 transitions. [2021-11-22 23:29:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:37,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:37,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:38,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:38,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:38,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:38,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:38,033 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:38,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:38,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:38,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:38,091 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:38,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:38,732 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:38,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:38,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 901 states and 1107 transitions. [2021-11-22 23:29:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1107 transitions. [2021-11-22 23:29:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:38,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:38,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:39,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:39,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:39,038 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:39,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:39,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:39,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:39,216 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:39,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:39,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:39,766 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:39,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:40,556 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:40,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:40,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 902 states and 1108 transitions. [2021-11-22 23:29:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1108 transitions. [2021-11-22 23:29:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:40,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:40,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:40,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:40,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:40,862 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:40,862 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:40,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:41,050 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:41,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:41,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:41,613 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:41,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:42,350 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:42,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:42,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 903 states and 1109 transitions. [2021-11-22 23:29:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1109 transitions. [2021-11-22 23:29:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:42,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:42,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:42,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:42,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:42,729 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:42,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:42,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:42,915 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:42,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:43,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:43,489 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:43,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:44,119 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:44,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 904 states and 1110 transitions. [2021-11-22 23:29:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1110 transitions. [2021-11-22 23:29:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:44,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:44,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:44,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:44,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:44,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:44,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:44,526 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:44,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:44,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:44,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:44,943 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:44,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:45,513 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:45,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:45,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 905 states and 1111 transitions. [2021-11-22 23:29:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1111 transitions. [2021-11-22 23:29:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:45,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:45,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:45,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:45,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:45,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:45,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:45,812 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:45,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:45,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:45,864 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:45,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:46,542 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:46,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 906 states and 1112 transitions. [2021-11-22 23:29:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1112 transitions. [2021-11-22 23:29:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:46,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:46,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:46,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:46,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:46,918 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:46,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:46,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:47,094 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:47,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:47,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:47,147 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:47,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:47,870 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:47,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 907 states and 1113 transitions. [2021-11-22 23:29:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1113 transitions. [2021-11-22 23:29:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:47,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:47,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:48,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:48,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:48,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:48,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:48,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:48,236 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:48,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:48,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:48,677 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:48,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:49,605 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:49,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 908 states and 1114 transitions. [2021-11-22 23:29:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1114 transitions. [2021-11-22 23:29:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:49,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:49,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:49,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:49,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:49,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:49,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:49,953 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:49,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:50,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:50,500 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:50,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:51,240 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:51,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 909 states and 1115 transitions. [2021-11-22 23:29:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1115 transitions. [2021-11-22 23:29:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:51,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:51,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:51,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:51,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:51,560 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-22 23:29:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 23:29:51,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:51,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:51,737 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:51,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:52,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:52,186 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:52,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:53,096 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:53,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:53,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 910 states and 1116 transitions. [2021-11-22 23:29:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1116 transitions. [2021-11-22 23:29:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:53,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:53,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:53,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:29:53,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:53,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:53,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:53,449 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 23:29:53,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:53,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:29:53,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:53,501 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 23:29:53,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 23:29:53,645 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 23:29:53,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 42 [2021-11-22 23:29:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 911 states and 1117 transitions. [2021-11-22 23:29:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1117 transitions. [2021-11-22 23:29:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:29:53,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:53,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:53,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:29:53,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:53,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 23:29:54,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-22 23:29:54,026 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-22 23:29:54,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:29:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:29:55,162 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-22 23:29:55,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50