./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn1.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_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/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_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/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_2c4f0369-11f0-4fb9-91db-20637f81a1f8/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 14bc2dbf7c29b1d0f6a0a1f7aa323adbc9855e56ce7f667c86a31ecee97dcbe0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:25:50,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:25:50,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:25:50,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:25:50,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:25:50,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:25:50,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:25:50,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:25:50,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:25:50,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:25:50,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:25:50,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:25:50,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:25:50,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:25:50,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:25:50,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:25:50,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:25:50,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:25:50,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:25:50,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:25:50,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:25:50,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:25:50,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:25:50,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:25:50,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:25:50,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:25:50,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:25:50,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:25:50,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:25:50,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:25:50,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:25:50,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:25:50,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:25:50,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:25:50,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:25:50,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:25:50,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:25:50,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:25:50,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:25:50,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:25:50,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:25:50,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:25:50,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:25:50,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:25:50,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:25:50,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:25:50,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:25:50,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:25:50,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:25:50,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:25:50,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:25:50,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:25:50,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:25:50,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:25:50,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:25:50,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:25:50,468 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:25:50,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:25:50,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:25:50,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:25:50,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:25:50,469 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:25:50,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:25:50,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:50,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:25:50,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:25:50,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:25:50,471 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:25:50,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:25:50,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:25:50,471 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_2c4f0369-11f0-4fb9-91db-20637f81a1f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bc2dbf7c29b1d0f6a0a1f7aa323adbc9855e56ce7f667c86a31ecee97dcbe0 [2021-11-23 00:25:50,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:25:50,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:25:50,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:25:50,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:25:50,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:25:50,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/eqn1.c [2021-11-23 00:25:50,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/data/be2827126/8eb30260a0ab41fda9df1f41e551c7f5/FLAG462bb76bd [2021-11-23 00:25:51,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:25:51,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/sv-benchmarks/c/array-fpi/eqn1.c [2021-11-23 00:25:51,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/data/be2827126/8eb30260a0ab41fda9df1f41e551c7f5/FLAG462bb76bd [2021-11-23 00:25:51,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/data/be2827126/8eb30260a0ab41fda9df1f41e551c7f5 [2021-11-23 00:25:51,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:25:51,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:25:51,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:51,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:25:51,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:25:51,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:51" (1/1) ... [2021-11-23 00:25:51,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2002d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:51, skipping insertion in model container [2021-11-23 00:25:51,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:51" (1/1) ... [2021-11-23 00:25:51,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:25:51,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:25:52,020 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_2c4f0369-11f0-4fb9-91db-20637f81a1f8/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2021-11-23 00:25:52,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:52,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:25:52,069 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_2c4f0369-11f0-4fb9-91db-20637f81a1f8/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2021-11-23 00:25:52,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:52,094 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:25:52,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52 WrapperNode [2021-11-23 00:25:52,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:52,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:52,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:25:52,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:25:52,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,142 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-11-23 00:25:52,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:52,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:25:52,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:25:52,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:25:52,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:25:52,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:25:52,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:25:52,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:25:52,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:25:52,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:25:52,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4f0369-11f0-4fb9-91db-20637f81a1f8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:25:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:25:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:25:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:25:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:25:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:25:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:25:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:25:52,363 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:25:52,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:25:52,643 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:25:52,715 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:25:52,715 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:25:52,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:52 BoogieIcfgContainer [2021-11-23 00:25:52,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:25:52,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:25:52,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:25:52,748 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:25:52,749 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:52" (1/1) ... [2021-11-23 00:25:52,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:25:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:25:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:25:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:25:52,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:52,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:53,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:25:53,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:53,250 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:25:53,252 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 [2021-11-23 00:25:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2021-11-23 00:25:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2021-11-23 00:25:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:25:53,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:53,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:53,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:25:53,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:54,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2021-11-23 00:25:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2021-11-23 00:25:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:25:54,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:54,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:54,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:25:54,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 20 states and 49 transitions. [2021-11-23 00:25:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 49 transitions. [2021-11-23 00:25:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:25:54,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:54,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:54,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:25:54,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:54,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:25:55,009 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 [2021-11-23 00:25:55,100 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:25:55,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:25:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:55,324 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:25:55,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 51 treesize of output 48 [2021-11-23 00:25:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 23 states and 60 transitions. [2021-11-23 00:25:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 60 transitions. [2021-11-23 00:25:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:25:56,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:56,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:56,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:25:56,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 27 states and 67 transitions. [2021-11-23 00:25:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 67 transitions. [2021-11-23 00:25:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:25:57,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:57,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:57,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 00:25:57,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 30 states and 76 transitions. [2021-11-23 00:25:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 76 transitions. [2021-11-23 00:25:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:25:58,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:58,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:59,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:25:59,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:59,081 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 [2021-11-23 00:25:59,092 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 [2021-11-23 00:25:59,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:25:59,269 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-23 00:25:59,270 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 [2021-11-23 00:25:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:25:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,368 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 [2021-11-23 00:25:59,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:25:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,435 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 113 treesize of output 67 [2021-11-23 00:25:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:25:59,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,461 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-23 00:25:59,461 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 154 treesize of output 74 [2021-11-23 00:25:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,654 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:25:59,655 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 [2021-11-23 00:25:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:25:59,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:25:59,921 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 00:25:59,922 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 56 treesize of output 56 [2021-11-23 00:26:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:00,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:00,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:00,094 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-23 00:26:00,095 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 [2021-11-23 00:26:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 35 states and 93 transitions. [2021-11-23 00:26:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 93 transitions. [2021-11-23 00:26:03,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:03,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:03,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:03,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:26:03,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2021-11-23 00:26:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2021-11-23 00:26:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:05,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:05,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:05,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:05,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:05,117 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 [2021-11-23 00:26:05,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:05,152 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:05,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:05,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:05,438 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:05,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 44 states and 132 transitions. [2021-11-23 00:26:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 132 transitions. [2021-11-23 00:26:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:08,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:08,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:08,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:08,612 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:08,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:08,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:08,703 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:08,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:08,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:08,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:08,835 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:08,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 45 states and 133 transitions. [2021-11-23 00:26:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 133 transitions. [2021-11-23 00:26:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:09,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:09,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:09,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:09,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:09,212 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:09,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:26:09,225 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 [2021-11-23 00:26:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:09,316 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:09,317 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 [2021-11-23 00:26:09,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:09,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:09,372 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:09,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 46 states and 134 transitions. [2021-11-23 00:26:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 134 transitions. [2021-11-23 00:26:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:09,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:09,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:09,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:09,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:09,780 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 [2021-11-23 00:26:09,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:09,811 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:09,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:09,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:09,859 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:09,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 47 states and 135 transitions. [2021-11-23 00:26:10,190 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 135 transitions. [2021-11-23 00:26:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:10,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:10,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:10,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:10,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:10,273 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:10,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:10,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:10,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:10,368 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:10,369 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 [2021-11-23 00:26:10,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:10,499 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:10,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2021-11-23 00:26:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2021-11-23 00:26:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:10,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:10,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:10,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:10,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:10,847 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:10,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:26:10,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:10,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:10,932 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:10,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:11,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:11,071 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:11,072 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 [2021-11-23 00:26:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 49 states and 137 transitions. [2021-11-23 00:26:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 137 transitions. [2021-11-23 00:26:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:11,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:11,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:11,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:11,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:11,483 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:11,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:11,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:11,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:11,567 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:11,568 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 [2021-11-23 00:26:11,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:11,698 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:11,699 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 [2021-11-23 00:26:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 50 states and 138 transitions. [2021-11-23 00:26:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 138 transitions. [2021-11-23 00:26:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:11,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:11,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:12,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:12,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:12,077 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:12,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:26:12,089 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 [2021-11-23 00:26:12,216 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:12,216 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 [2021-11-23 00:26:12,462 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:12,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:26:13,032 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:13,032 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 86 treesize of output 40 [2021-11-23 00:26:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 52 states and 145 transitions. [2021-11-23 00:26:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 145 transitions. [2021-11-23 00:26:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:14,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:14,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:14,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:14,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:14,567 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:14,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:26:14,580 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 [2021-11-23 00:26:14,599 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:14,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:14,781 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:14,781 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 [2021-11-23 00:26:15,033 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:15,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 56 states and 172 transitions. [2021-11-23 00:26:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 172 transitions. [2021-11-23 00:26:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:16,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:16,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:17,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:17,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:17,032 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 [2021-11-23 00:26:17,040 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 [2021-11-23 00:26:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:17,070 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:17,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:17,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:17,124 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:17,125 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 [2021-11-23 00:26:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 57 states and 173 transitions. [2021-11-23 00:26:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 173 transitions. [2021-11-23 00:26:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:17,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:17,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:17,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:17,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:17,485 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:17,488 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 [2021-11-23 00:26:17,501 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 [2021-11-23 00:26:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:17,645 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:17,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:17,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:17,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:17,784 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:17,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 58 states and 174 transitions. [2021-11-23 00:26:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 174 transitions. [2021-11-23 00:26:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:18,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:18,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:18,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:18,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:18,094 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 [2021-11-23 00:26:18,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:18,124 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:18,124 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 [2021-11-23 00:26:18,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:18,172 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:18,173 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 [2021-11-23 00:26:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 59 states and 175 transitions. [2021-11-23 00:26:18,493 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 175 transitions. [2021-11-23 00:26:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:18,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:18,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:18,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:18,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:18,572 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:18,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:26:18,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:18,658 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:18,659 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 [2021-11-23 00:26:18,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:18,800 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:18,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 60 states and 176 transitions. [2021-11-23 00:26:19,014 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 176 transitions. [2021-11-23 00:26:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:19,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:19,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:19,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:19,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:19,084 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 [2021-11-23 00:26:19,089 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 [2021-11-23 00:26:19,117 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:19,117 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 [2021-11-23 00:26:19,348 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:19,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:26:19,786 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:19,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 61 states and 177 transitions. [2021-11-23 00:26:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 177 transitions. [2021-11-23 00:26:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:19,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:19,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:19,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:19,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:19,896 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:19,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:19,912 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 [2021-11-23 00:26:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:19,990 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:19,990 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 [2021-11-23 00:26:20,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:20,042 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:20,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2021-11-23 00:26:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2021-11-23 00:26:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:20,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:20,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:20,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:20,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:20,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:20,362 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 [2021-11-23 00:26:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:20,382 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:20,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:20,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:20,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:20,519 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:20,519 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 [2021-11-23 00:26:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2021-11-23 00:26:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2021-11-23 00:26:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:20,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:20,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:20,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:20,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:20,879 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 [2021-11-23 00:26:20,887 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 [2021-11-23 00:26:20,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:20,911 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:20,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:21,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:21,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:21,078 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:21,079 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 [2021-11-23 00:26:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 64 states and 180 transitions. [2021-11-23 00:26:21,363 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 180 transitions. [2021-11-23 00:26:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:21,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:21,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:21,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:21,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:21,434 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 [2021-11-23 00:26:21,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:21,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:21,458 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:21,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:21,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:21,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:21,506 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:21,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 65 states and 181 transitions. [2021-11-23 00:26:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 181 transitions. [2021-11-23 00:26:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:21,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:21,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:21,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:21,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:21,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:21,900 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 [2021-11-23 00:26:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:21,917 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:21,917 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 [2021-11-23 00:26:22,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:22,090 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:22,091 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 [2021-11-23 00:26:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 66 states and 182 transitions. [2021-11-23 00:26:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 182 transitions. [2021-11-23 00:26:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:22,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:22,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:22,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:22,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:22,442 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:22,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:22,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:22,534 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:22,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:22,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:22,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:22,670 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:22,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 67 states and 183 transitions. [2021-11-23 00:26:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 183 transitions. [2021-11-23 00:26:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:22,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:22,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:22,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:22,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:22,993 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 [2021-11-23 00:26:22,997 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 [2021-11-23 00:26:23,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:23,015 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:23,015 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 [2021-11-23 00:26:23,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:23,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:23,164 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:23,165 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 [2021-11-23 00:26:23,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 68 states and 184 transitions. [2021-11-23 00:26:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 184 transitions. [2021-11-23 00:26:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:23,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:23,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:23,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:23,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:23,412 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:23,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:23,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:23,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:26:23,968 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:23,969 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:26:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 70 states and 193 transitions. [2021-11-23 00:26:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 193 transitions. [2021-11-23 00:26:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:26,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:26,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:26,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:26,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:26,395 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:26,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:26,410 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 [2021-11-23 00:26:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:26,474 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:26,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:26,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:26,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:26,529 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:26,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 71 states and 194 transitions. [2021-11-23 00:26:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 194 transitions. [2021-11-23 00:26:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:26,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:26,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:26,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:26,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:26,848 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:26,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:26,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:26,918 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:26,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:26,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:26,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:26,979 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:26,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 72 states and 195 transitions. [2021-11-23 00:26:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 195 transitions. [2021-11-23 00:26:28,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:28,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:28,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:28,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:28,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:28,082 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 [2021-11-23 00:26:28,088 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 [2021-11-23 00:26:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:28,113 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:28,114 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 [2021-11-23 00:26:28,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:28,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:28,312 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:28,312 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 [2021-11-23 00:26:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 73 states and 196 transitions. [2021-11-23 00:26:28,589 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 196 transitions. [2021-11-23 00:26:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:28,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:28,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:28,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:28,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:28,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:28,657 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 [2021-11-23 00:26:28,674 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:28,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:28,885 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:28,885 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 [2021-11-23 00:26:29,216 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:29,216 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 86 treesize of output 40 [2021-11-23 00:26:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 74 states and 197 transitions. [2021-11-23 00:26:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 197 transitions. [2021-11-23 00:26:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:29,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:29,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:29,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:29,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:29,307 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:29,308 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 [2021-11-23 00:26:29,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:29,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:29,396 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:29,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:29,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:29,522 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:29,525 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 [2021-11-23 00:26:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 75 states and 198 transitions. [2021-11-23 00:26:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 198 transitions. [2021-11-23 00:26:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:29,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:29,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:29,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:29,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:29,865 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:29,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:29,875 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 [2021-11-23 00:26:29,891 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:29,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:30,134 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:30,134 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 [2021-11-23 00:26:30,613 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:30,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 76 states and 199 transitions. [2021-11-23 00:26:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 199 transitions. [2021-11-23 00:26:30,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:30,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:30,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:30,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:30,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:30,722 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:30,722 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 [2021-11-23 00:26:30,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:30,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:30,798 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:30,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:30,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:30,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:30,837 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:30,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 77 states and 200 transitions. [2021-11-23 00:26:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 200 transitions. [2021-11-23 00:26:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:31,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:31,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:31,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:31,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:31,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:31,171 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 [2021-11-23 00:26:31,190 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:31,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:31,277 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:31,277 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 [2021-11-23 00:26:31,629 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:31,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 78 states and 201 transitions. [2021-11-23 00:26:31,661 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 201 transitions. [2021-11-23 00:26:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:31,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:31,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:31,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:31,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:31,729 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 [2021-11-23 00:26:31,736 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 [2021-11-23 00:26:31,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:31,757 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:31,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:31,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:31,903 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:31,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 79 states and 202 transitions. [2021-11-23 00:26:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 202 transitions. [2021-11-23 00:26:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:32,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:32,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:32,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:32,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:32,233 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:32,233 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 [2021-11-23 00:26:32,250 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 [2021-11-23 00:26:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:32,321 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:32,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:32,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:32,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:32,462 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:32,462 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 [2021-11-23 00:26:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 80 states and 203 transitions. [2021-11-23 00:26:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 203 transitions. [2021-11-23 00:26:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:32,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:32,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:32,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:32,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:32,800 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:32,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:26:32,811 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 [2021-11-23 00:26:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:32,891 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:32,891 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 [2021-11-23 00:26:33,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:33,009 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:33,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 81 states and 204 transitions. [2021-11-23 00:26:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 204 transitions. [2021-11-23 00:26:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:33,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:33,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:33,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:33,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:33,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:33,322 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 [2021-11-23 00:26:33,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:33,345 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:33,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:33,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:33,397 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:33,397 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 [2021-11-23 00:26:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 205 transitions. [2021-11-23 00:26:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 205 transitions. [2021-11-23 00:26:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:33,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:33,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:33,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:33,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:33,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:33,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:33,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:33,612 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 [2021-11-23 00:26:33,830 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:33,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:26:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 86 states and 241 transitions. [2021-11-23 00:26:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 241 transitions. [2021-11-23 00:26:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:36,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:36,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:36,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:36,142 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:36,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:26:36,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:36,178 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:36,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:36,479 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:36,479 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 [2021-11-23 00:26:36,733 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:36,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 87 states and 242 transitions. [2021-11-23 00:26:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 242 transitions. [2021-11-23 00:26:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:36,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:36,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:36,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:36,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:36,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:36,889 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:36,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:36,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:36,938 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:36,939 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 [2021-11-23 00:26:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:37,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 88 states and 243 transitions. [2021-11-23 00:26:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 243 transitions. [2021-11-23 00:26:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:37,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:37,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:37,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:37,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:37,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:37,343 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 [2021-11-23 00:26:37,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:37,365 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:37,365 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 [2021-11-23 00:26:37,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:37,535 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:37,536 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 [2021-11-23 00:26:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 89 states and 244 transitions. [2021-11-23 00:26:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 244 transitions. [2021-11-23 00:26:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:37,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:37,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:37,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:37,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:37,875 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:37,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:37,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:37,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:37,960 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:37,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:38,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:38,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:38,125 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:38,125 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 [2021-11-23 00:26:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 90 states and 245 transitions. [2021-11-23 00:26:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 245 transitions. [2021-11-23 00:26:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:38,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:38,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:38,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:38,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:38,308 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:38,308 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 [2021-11-23 00:26:38,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:38,393 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:38,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:38,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:38,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:38,438 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:38,438 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 [2021-11-23 00:26:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 91 states and 246 transitions. [2021-11-23 00:26:38,661 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 246 transitions. [2021-11-23 00:26:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:38,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:38,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:38,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:38,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:38,719 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 [2021-11-23 00:26:38,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:38,740 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:38,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:38,949 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:38,949 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 [2021-11-23 00:26:39,265 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:39,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 92 states and 247 transitions. [2021-11-23 00:26:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 247 transitions. [2021-11-23 00:26:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:39,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:39,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:39,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:39,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:39,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:39,373 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 [2021-11-23 00:26:39,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:39,391 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:39,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:39,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:39,540 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:39,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 93 states and 248 transitions. [2021-11-23 00:26:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 248 transitions. [2021-11-23 00:26:39,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:39,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:39,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:39,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:39,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:39,819 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:39,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:39,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:39,891 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:39,891 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 [2021-11-23 00:26:40,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:40,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:40,018 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:40,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 94 states and 249 transitions. [2021-11-23 00:26:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 249 transitions. [2021-11-23 00:26:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:40,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:40,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:40,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:40,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:40,321 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:40,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:40,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:40,354 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:40,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:40,556 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:40,557 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 [2021-11-23 00:26:40,916 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:40,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 95 states and 250 transitions. [2021-11-23 00:26:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 250 transitions. [2021-11-23 00:26:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:40,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:40,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:40,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:41,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:41,017 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:41,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:41,029 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 [2021-11-23 00:26:41,045 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:41,045 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 [2021-11-23 00:26:41,299 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:41,299 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 [2021-11-23 00:26:41,539 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:41,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 96 states and 251 transitions. [2021-11-23 00:26:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 251 transitions. [2021-11-23 00:26:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:41,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:41,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:41,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:41,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:41,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:41,630 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 [2021-11-23 00:26:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:41,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:26:41,856 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:41,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:26:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 97 states and 252 transitions. [2021-11-23 00:26:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 252 transitions. [2021-11-23 00:26:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:42,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:42,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:42,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:42,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:42,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:42,251 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 [2021-11-23 00:26:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:42,266 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:42,266 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 [2021-11-23 00:26:42,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:42,310 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:42,310 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 [2021-11-23 00:26:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 98 states and 253 transitions. [2021-11-23 00:26:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 253 transitions. [2021-11-23 00:26:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:42,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:42,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:42,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:42,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:42,606 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 [2021-11-23 00:26:42,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:42,629 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:42,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:42,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:42,672 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:42,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 99 states and 254 transitions. [2021-11-23 00:26:42,900 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 254 transitions. [2021-11-23 00:26:42,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:42,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:42,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:42,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:42,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:42,976 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:42,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:26:42,984 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 [2021-11-23 00:26:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:43,058 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:43,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:43,108 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:43,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 100 states and 255 transitions. [2021-11-23 00:26:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 255 transitions. [2021-11-23 00:26:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:43,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:43,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:43,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:43,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:43,493 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:43,494 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 [2021-11-23 00:26:43,506 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 [2021-11-23 00:26:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:43,585 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:43,585 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 [2021-11-23 00:26:43,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:43,717 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:43,717 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 [2021-11-23 00:26:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 101 states and 256 transitions. [2021-11-23 00:26:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 256 transitions. [2021-11-23 00:26:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:43,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:43,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:44,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:44,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:44,076 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:44,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:44,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:44,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:44,153 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:44,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:44,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:44,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:44,288 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:44,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 102 states and 257 transitions. [2021-11-23 00:26:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 257 transitions. [2021-11-23 00:26:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:44,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:44,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:44,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:44,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:44,591 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:44,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:44,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:44,617 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:44,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:44,848 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:44,848 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 [2021-11-23 00:26:45,314 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:45,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 103 states and 258 transitions. [2021-11-23 00:26:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 258 transitions. [2021-11-23 00:26:45,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:45,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:45,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:45,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:45,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:45,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:45,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:45,413 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:45,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:45,630 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:45,630 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 [2021-11-23 00:26:46,047 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:46,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 104 states and 259 transitions. [2021-11-23 00:26:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 259 transitions. [2021-11-23 00:26:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:46,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:46,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:46,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:46,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:46,122 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 [2021-11-23 00:26:46,126 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 [2021-11-23 00:26:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:46,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:26:46,366 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:46,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:26:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 105 states and 260 transitions. [2021-11-23 00:26:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 260 transitions. [2021-11-23 00:26:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:46,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:46,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:46,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:46,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:46,757 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:46,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:46,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:46,827 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:46,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:46,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:46,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:46,945 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:46,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:47,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 106 states and 261 transitions. [2021-11-23 00:26:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 261 transitions. [2021-11-23 00:26:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:47,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:47,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:47,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:47,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:47,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:47,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:47,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:47,283 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:47,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:47,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:47,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:47,423 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:47,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:47,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 107 states and 262 transitions. [2021-11-23 00:26:47,688 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 262 transitions. [2021-11-23 00:26:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:47,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:47,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:47,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:47,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:47,746 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 [2021-11-23 00:26:47,751 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 [2021-11-23 00:26:47,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:47,763 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:47,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:47,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:47,913 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:47,914 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 [2021-11-23 00:26:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 108 states and 263 transitions. [2021-11-23 00:26:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 263 transitions. [2021-11-23 00:26:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:48,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:48,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:48,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:48,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:48,124 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:48,124 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 19 [2021-11-23 00:26:48,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:48,218 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:48,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:48,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:48,407 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:48,407 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 [2021-11-23 00:26:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 109 states and 264 transitions. [2021-11-23 00:26:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 264 transitions. [2021-11-23 00:26:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:48,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:48,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:48,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:48,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:48,792 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:48,793 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 [2021-11-23 00:26:48,803 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 [2021-11-23 00:26:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:48,870 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:48,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:48,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:48,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:49,002 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:49,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 110 states and 265 transitions. [2021-11-23 00:26:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2021-11-23 00:26:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:49,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:49,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:49,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:49,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:49,347 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 [2021-11-23 00:26:49,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:49,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:49,374 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:49,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:49,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:49,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:49,543 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:49,543 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 [2021-11-23 00:26:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 111 states and 266 transitions. [2021-11-23 00:26:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 266 transitions. [2021-11-23 00:26:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:49,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:49,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:49,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:49,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:49,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:49,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:26:49,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:49,736 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:49,737 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 [2021-11-23 00:26:49,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:49,899 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:49,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 112 states and 267 transitions. [2021-11-23 00:26:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 267 transitions. [2021-11-23 00:26:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:51,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:51,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:51,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:51,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:51,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:51,092 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 [2021-11-23 00:26:51,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:51,114 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:51,115 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 [2021-11-23 00:26:51,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:51,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:51,165 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:51,166 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 [2021-11-23 00:26:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 113 states and 268 transitions. [2021-11-23 00:26:51,467 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 268 transitions. [2021-11-23 00:26:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:51,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:51,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:51,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:51,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:51,545 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:51,546 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 [2021-11-23 00:26:51,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:51,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:51,642 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:51,642 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 [2021-11-23 00:26:51,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:51,690 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:51,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:51,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 114 states and 269 transitions. [2021-11-23 00:26:51,962 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 269 transitions. [2021-11-23 00:26:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:51,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:51,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:52,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:52,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:52,040 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:52,040 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 [2021-11-23 00:26:52,051 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 [2021-11-23 00:26:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:52,115 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:52,115 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 [2021-11-23 00:26:52,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:52,155 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:52,156 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 [2021-11-23 00:26:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:52,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 115 states and 270 transitions. [2021-11-23 00:26:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 270 transitions. [2021-11-23 00:26:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:52,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:52,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:52,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:52,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:52,511 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:26:52,511 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 [2021-11-23 00:26:52,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:52,593 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:52,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:52,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:52,632 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:52,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 116 states and 271 transitions. [2021-11-23 00:26:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 271 transitions. [2021-11-23 00:26:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:53,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:53,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:53,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:53,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:53,740 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:53,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:53,750 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 [2021-11-23 00:26:53,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:53,779 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 [2021-11-23 00:26:54,061 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:54,061 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:26:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 117 states and 272 transitions. [2021-11-23 00:26:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 272 transitions. [2021-11-23 00:26:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:54,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:54,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:54,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:54,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:54,519 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 [2021-11-23 00:26:54,526 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 [2021-11-23 00:26:54,549 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:54,549 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 [2021-11-23 00:26:54,775 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:54,776 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 [2021-11-23 00:26:55,266 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:55,266 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 86 treesize of output 40 [2021-11-23 00:26:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 118 states and 273 transitions. [2021-11-23 00:26:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 273 transitions. [2021-11-23 00:26:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:55,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:55,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:55,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:55,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:55,379 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:55,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:55,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:55,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:26:55,616 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:55,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:26:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 119 states and 274 transitions. [2021-11-23 00:26:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 274 transitions. [2021-11-23 00:26:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:56,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:56,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:56,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:56,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:56,074 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 [2021-11-23 00:26:56,077 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 [2021-11-23 00:26:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:56,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:26:56,319 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:56,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:26:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 120 states and 275 transitions. [2021-11-23 00:26:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 275 transitions. [2021-11-23 00:26:56,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:56,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:56,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:56,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:26:56,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:56,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:56,781 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 [2021-11-23 00:26:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:56,800 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:26:56,800 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 [2021-11-23 00:26:56,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:26:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:56,961 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:26:56,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:26:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 121 states and 276 transitions. [2021-11-23 00:26:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 276 transitions. [2021-11-23 00:26:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:57,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:57,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:58,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:58,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:58,027 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:26:58,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:26:58,037 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 [2021-11-23 00:26:58,053 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:58,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:26:58,290 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:58,291 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 [2021-11-23 00:26:58,706 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:26:58,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:26:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 122 states and 277 transitions. [2021-11-23 00:26:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 277 transitions. [2021-11-23 00:26:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:58,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:58,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:58,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:26:58,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:58,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:58,806 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 [2021-11-23 00:26:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:26:58,822 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 [2021-11-23 00:26:59,103 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:26:59,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:26:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 123 states and 278 transitions. [2021-11-23 00:26:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 278 transitions. [2021-11-23 00:26:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:59,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:59,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:59,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:26:59,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:59,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:26:59,568 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 [2021-11-23 00:26:59,584 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:26:59,585 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 [2021-11-23 00:26:59,855 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:26:59,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:27:00,428 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:00,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 124 states and 279 transitions. [2021-11-23 00:27:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 279 transitions. [2021-11-23 00:27:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:00,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:00,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:00,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:00,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:00,543 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 [2021-11-23 00:27:00,548 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 [2021-11-23 00:27:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:00,568 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:00,569 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 [2021-11-23 00:27:00,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:00,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:00,618 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:00,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:00,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 125 states and 280 transitions. [2021-11-23 00:27:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 280 transitions. [2021-11-23 00:27:00,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:00,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:00,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:00,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:00,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:00,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:00,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:00,990 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:00,990 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 [2021-11-23 00:27:01,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:01,141 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:01,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 126 states and 281 transitions. [2021-11-23 00:27:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 281 transitions. [2021-11-23 00:27:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:01,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:01,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:01,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:01,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:01,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:01,455 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 [2021-11-23 00:27:01,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:01,487 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:01,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:01,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:01,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:01,640 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:01,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:01,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 127 states and 282 transitions. [2021-11-23 00:27:01,890 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 282 transitions. [2021-11-23 00:27:01,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:01,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:01,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:01,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:01,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:01,968 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:01,968 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 [2021-11-23 00:27:01,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:02,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:02,041 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:02,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:02,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:02,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:02,079 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:02,080 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 [2021-11-23 00:27:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 283 transitions. [2021-11-23 00:27:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 283 transitions. [2021-11-23 00:27:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:02,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:02,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:02,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:02,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:02,426 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:02,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:02,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:02,510 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:02,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:02,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:02,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:02,547 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:02,548 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 [2021-11-23 00:27:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 284 transitions. [2021-11-23 00:27:02,644 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 284 transitions. [2021-11-23 00:27:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:02,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:02,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:02,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:02,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:02,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:02,714 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 [2021-11-23 00:27:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:02,729 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:02,730 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 [2021-11-23 00:27:02,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:02,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:02,768 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:02,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 130 states and 285 transitions. [2021-11-23 00:27:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 285 transitions. [2021-11-23 00:27:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:03,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:03,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:03,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:03,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:03,157 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:03,158 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 [2021-11-23 00:27:03,166 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 [2021-11-23 00:27:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:03,230 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:03,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:03,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:03,274 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:03,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 131 states and 286 transitions. [2021-11-23 00:27:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 286 transitions. [2021-11-23 00:27:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:03,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:03,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:03,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:03,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:03,591 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 [2021-11-23 00:27:03,596 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 [2021-11-23 00:27:03,610 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:03,611 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 [2021-11-23 00:27:03,863 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:03,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:27:04,378 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:04,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 132 states and 287 transitions. [2021-11-23 00:27:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 287 transitions. [2021-11-23 00:27:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:04,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:04,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:04,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:04,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:04,467 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:04,468 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 23 [2021-11-23 00:27:04,477 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 [2021-11-23 00:27:04,492 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:04,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:04,744 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:04,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:27:05,274 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:05,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 133 states and 288 transitions. [2021-11-23 00:27:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 288 transitions. [2021-11-23 00:27:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:05,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:05,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:05,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:05,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:05,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:05,376 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 [2021-11-23 00:27:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:05,396 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:05,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:05,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:05,536 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:05,536 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 [2021-11-23 00:27:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:05,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 134 states and 289 transitions. [2021-11-23 00:27:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 289 transitions. [2021-11-23 00:27:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:05,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:05,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:05,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:05,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:05,761 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:05,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:27:05,782 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 [2021-11-23 00:27:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:05,875 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:05,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:05,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:05,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:05,929 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:05,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 135 states and 290 transitions. [2021-11-23 00:27:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 290 transitions. [2021-11-23 00:27:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:06,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:06,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:06,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:06,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:06,123 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 [2021-11-23 00:27:06,127 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 [2021-11-23 00:27:06,144 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:06,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:06,213 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:06,213 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 [2021-11-23 00:27:06,609 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:06,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 136 states and 291 transitions. [2021-11-23 00:27:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 291 transitions. [2021-11-23 00:27:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:06,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:06,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:06,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:06,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:06,703 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:06,703 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 23 [2021-11-23 00:27:06,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:06,729 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:06,730 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 [2021-11-23 00:27:06,987 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:06,987 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 [2021-11-23 00:27:07,417 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:07,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 137 states and 292 transitions. [2021-11-23 00:27:07,433 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 292 transitions. [2021-11-23 00:27:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:07,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:07,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:07,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:07,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:07,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:07,496 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 [2021-11-23 00:27:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:07,509 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:07,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:07,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:07,651 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:07,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 138 states and 293 transitions. [2021-11-23 00:27:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 293 transitions. [2021-11-23 00:27:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:07,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:07,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:07,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:07,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:07,999 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:07,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:08,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:08,032 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:08,034 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 [2021-11-23 00:27:08,301 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:08,301 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 [2021-11-23 00:27:08,845 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:08,846 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 86 treesize of output 40 [2021-11-23 00:27:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:08,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 139 states and 294 transitions. [2021-11-23 00:27:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 294 transitions. [2021-11-23 00:27:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:08,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:08,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:08,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:08,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:08,936 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:08,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:08,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:09,008 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:09,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:09,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:09,046 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:09,046 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 [2021-11-23 00:27:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 140 states and 295 transitions. [2021-11-23 00:27:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 295 transitions. [2021-11-23 00:27:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:09,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:09,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:09,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:27:09,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:09,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:09,342 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 [2021-11-23 00:27:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:09,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:27:09,562 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:27:09,562 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:27:09,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 141 states and 296 transitions. [2021-11-23 00:27:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 296 transitions. [2021-11-23 00:27:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:09,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:09,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:09,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:09,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:10,007 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:10,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:10,018 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 [2021-11-23 00:27:10,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:10,091 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:10,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:10,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:10,254 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:10,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 142 states and 297 transitions. [2021-11-23 00:27:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 297 transitions. [2021-11-23 00:27:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:10,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:10,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:10,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:10,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:10,606 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 [2021-11-23 00:27:10,614 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 [2021-11-23 00:27:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:10,632 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:10,632 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 [2021-11-23 00:27:10,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:10,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:10,852 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:10,852 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 [2021-11-23 00:27:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:11,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 143 states and 298 transitions. [2021-11-23 00:27:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 298 transitions. [2021-11-23 00:27:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:11,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:11,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:11,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:11,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:11,259 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:11,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:11,268 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 [2021-11-23 00:27:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:11,332 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:11,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:11,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:11,502 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:11,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 144 states and 299 transitions. [2021-11-23 00:27:11,597 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 299 transitions. [2021-11-23 00:27:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:11,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:11,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:11,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:27:11,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:11,683 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:11,683 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 23 [2021-11-23 00:27:11,693 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 [2021-11-23 00:27:11,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:11,705 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 [2021-11-23 00:27:11,925 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:27:11,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:27:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 145 states and 300 transitions. [2021-11-23 00:27:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 300 transitions. [2021-11-23 00:27:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:12,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:12,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:12,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:12,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:12,381 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:12,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:12,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:12,465 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:12,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:12,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:12,608 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:12,608 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 [2021-11-23 00:27:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 146 states and 301 transitions. [2021-11-23 00:27:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 301 transitions. [2021-11-23 00:27:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:12,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:12,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:12,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:27:12,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:12,984 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:12,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:12,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:13,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:27:13,223 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:27:13,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:27:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:13,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 147 states and 302 transitions. [2021-11-23 00:27:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 302 transitions. [2021-11-23 00:27:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:13,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:13,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:13,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:13,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:13,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:13,660 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 [2021-11-23 00:27:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:13,674 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:13,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:13,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:13,810 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:13,810 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 [2021-11-23 00:27:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 148 states and 303 transitions. [2021-11-23 00:27:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 303 transitions. [2021-11-23 00:27:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:13,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:13,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:13,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:27:13,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:13,980 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:13,980 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 23 [2021-11-23 00:27:13,992 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 [2021-11-23 00:27:14,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:14,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:27:14,220 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:27:14,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:27:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 149 states and 304 transitions. [2021-11-23 00:27:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 304 transitions. [2021-11-23 00:27:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:14,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:14,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:14,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:14,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:14,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:14,648 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 [2021-11-23 00:27:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:14,663 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:14,664 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 [2021-11-23 00:27:14,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:14,843 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:14,843 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 [2021-11-23 00:27:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 150 states and 305 transitions. [2021-11-23 00:27:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 305 transitions. [2021-11-23 00:27:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:15,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:15,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:15,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:15,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:15,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:15,177 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 [2021-11-23 00:27:15,193 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:15,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:15,501 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:15,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:27:15,992 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:15,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 151 states and 306 transitions. [2021-11-23 00:27:16,009 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 306 transitions. [2021-11-23 00:27:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:16,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:16,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:16,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:16,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:16,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:16,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:16,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:16,089 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:16,089 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 [2021-11-23 00:27:16,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:16,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:16,236 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:16,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 152 states and 307 transitions. [2021-11-23 00:27:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 307 transitions. [2021-11-23 00:27:16,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:16,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:16,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:16,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:16,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:16,572 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:16,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:27:16,581 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 [2021-11-23 00:27:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:16,672 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:16,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:16,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:16,873 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:16,873 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 [2021-11-23 00:27:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 153 states and 308 transitions. [2021-11-23 00:27:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 308 transitions. [2021-11-23 00:27:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:17,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:17,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:17,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:17,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:17,269 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:17,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:17,280 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 [2021-11-23 00:27:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:17,376 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:17,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:17,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:17,571 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:17,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 154 states and 309 transitions. [2021-11-23 00:27:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 309 transitions. [2021-11-23 00:27:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:18,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:18,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:18,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:18,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:18,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:18,880 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 [2021-11-23 00:27:18,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:18,905 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:18,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:19,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:19,141 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:19,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 155 states and 310 transitions. [2021-11-23 00:27:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 310 transitions. [2021-11-23 00:27:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:20,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:20,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:20,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:20,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:20,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:20,406 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 [2021-11-23 00:27:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:20,432 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:20,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:20,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:20,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:20,680 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:20,681 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 [2021-11-23 00:27:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 311 transitions. [2021-11-23 00:27:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2021-11-23 00:27:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:21,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:21,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:22,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:22,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:22,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:22,025 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 [2021-11-23 00:27:22,046 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:22,046 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 [2021-11-23 00:27:22,384 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:22,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:27:22,690 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:22,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 157 states and 312 transitions. [2021-11-23 00:27:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 312 transitions. [2021-11-23 00:27:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:22,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:22,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:22,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:22,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:22,863 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:22,863 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 [2021-11-23 00:27:22,876 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 [2021-11-23 00:27:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:22,987 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:22,988 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 [2021-11-23 00:27:23,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:23,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:23,250 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:23,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 158 states and 313 transitions. [2021-11-23 00:27:23,683 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 313 transitions. [2021-11-23 00:27:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:23,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:23,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:23,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:23,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:23,779 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 [2021-11-23 00:27:23,795 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 [2021-11-23 00:27:23,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:23,820 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:23,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:23,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:23,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:23,871 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:23,871 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 [2021-11-23 00:27:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 159 states and 314 transitions. [2021-11-23 00:27:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 314 transitions. [2021-11-23 00:27:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:25,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:25,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:25,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:25,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:25,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:25,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:25,220 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:25,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:25,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:25,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:25,266 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:25,267 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 [2021-11-23 00:27:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 160 states and 315 transitions. [2021-11-23 00:27:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 315 transitions. [2021-11-23 00:27:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:25,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:25,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:25,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:25,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:25,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:25,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:25,672 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:25,673 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 [2021-11-23 00:27:25,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:25,722 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:25,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 161 states and 316 transitions. [2021-11-23 00:27:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2021-11-23 00:27:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:26,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:26,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:26,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:27:26,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:26,096 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 [2021-11-23 00:27:26,100 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 [2021-11-23 00:27:26,126 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:26,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:26,204 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:27:26,204 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 5 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:27:26,770 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:27:26,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select 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 [2021-11-23 00:27:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 162 states and 317 transitions. [2021-11-23 00:27:27,152 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 317 transitions. [2021-11-23 00:27:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:27,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:27,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:27,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:27,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:27,233 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 [2021-11-23 00:27:27,240 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 [2021-11-23 00:27:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:27,261 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:27,261 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 [2021-11-23 00:27:27,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:27,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:27,329 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:27,330 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 [2021-11-23 00:27:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 163 states and 318 transitions. [2021-11-23 00:27:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 318 transitions. [2021-11-23 00:27:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:27,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:27,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:27,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:27,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:27,724 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 [2021-11-23 00:27:27,731 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 [2021-11-23 00:27:27,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:27,748 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:27,748 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 [2021-11-23 00:27:27,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:27,985 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:27,985 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 [2021-11-23 00:27:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 164 states and 319 transitions. [2021-11-23 00:27:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 319 transitions. [2021-11-23 00:27:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:28,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:28,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:28,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:28,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:28,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:28,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:28,451 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:28,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:28,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:28,646 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:28,646 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 [2021-11-23 00:27:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 165 states and 320 transitions. [2021-11-23 00:27:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 320 transitions. [2021-11-23 00:27:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:28,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:28,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:28,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:28,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:28,886 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:28,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:28,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:29,022 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:29,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:29,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:29,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:29,083 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:29,084 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 [2021-11-23 00:27:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 166 states and 321 transitions. [2021-11-23 00:27:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 321 transitions. [2021-11-23 00:27:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:29,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:29,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:29,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:29,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:29,643 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 [2021-11-23 00:27:29,650 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 [2021-11-23 00:27:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:29,668 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:29,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:29,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:29,895 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:29,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:30,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 167 states and 322 transitions. [2021-11-23 00:27:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 322 transitions. [2021-11-23 00:27:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:30,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:30,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:30,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:30,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:30,376 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:30,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:27:30,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:30,507 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:30,507 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 [2021-11-23 00:27:30,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:30,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:30,557 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:30,558 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 [2021-11-23 00:27:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 168 states and 323 transitions. [2021-11-23 00:27:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 323 transitions. [2021-11-23 00:27:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:30,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:30,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:30,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:30,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:30,997 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 [2021-11-23 00:27:31,005 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 [2021-11-23 00:27:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:31,020 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:31,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:31,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:31,216 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:31,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:31,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 169 states and 324 transitions. [2021-11-23 00:27:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 324 transitions. [2021-11-23 00:27:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:31,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:31,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:31,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:31,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:31,599 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:31,599 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 [2021-11-23 00:27:31,616 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 [2021-11-23 00:27:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:31,697 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:31,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:31,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:31,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:31,735 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:31,735 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 [2021-11-23 00:27:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 325 transitions. [2021-11-23 00:27:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 325 transitions. [2021-11-23 00:27:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:32,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:32,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:32,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:32,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:32,146 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:32,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:32,159 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 [2021-11-23 00:27:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:32,254 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:32,254 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 [2021-11-23 00:27:32,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:32,447 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:32,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 171 states and 326 transitions. [2021-11-23 00:27:32,793 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 326 transitions. [2021-11-23 00:27:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:32,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:32,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:32,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:32,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:32,919 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:32,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:32,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:33,023 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:33,024 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 [2021-11-23 00:27:33,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:33,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:33,220 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:33,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 327 transitions. [2021-11-23 00:27:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 327 transitions. [2021-11-23 00:27:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:33,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:33,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:33,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:33,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:33,633 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 [2021-11-23 00:27:33,641 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 [2021-11-23 00:27:33,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:33,659 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:33,660 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 [2021-11-23 00:27:33,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:33,854 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:33,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 328 transitions. [2021-11-23 00:27:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2021-11-23 00:27:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:34,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:34,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:34,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:34,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:34,303 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:34,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:27:34,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:34,407 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:34,408 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 [2021-11-23 00:27:34,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:34,602 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:34,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 174 states and 329 transitions. [2021-11-23 00:27:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 329 transitions. [2021-11-23 00:27:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:37,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:37,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:37,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:37,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:37,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:37,134 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 [2021-11-23 00:27:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:37,152 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:37,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:37,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:37,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:37,208 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:37,208 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 [2021-11-23 00:27:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 175 states and 330 transitions. [2021-11-23 00:27:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 330 transitions. [2021-11-23 00:27:37,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:37,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:37,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:37,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:37,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:37,477 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:37,477 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 [2021-11-23 00:27:37,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:37,519 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:37,519 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 [2021-11-23 00:27:37,965 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:37,966 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 [2021-11-23 00:27:38,719 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:38,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 176 states and 331 transitions. [2021-11-23 00:27:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 331 transitions. [2021-11-23 00:27:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:38,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:38,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:38,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:38,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:38,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:38,821 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 [2021-11-23 00:27:38,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:38,839 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:38,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:39,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:39,043 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:39,043 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 [2021-11-23 00:27:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 177 states and 332 transitions. [2021-11-23 00:27:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 332 transitions. [2021-11-23 00:27:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:39,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:39,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:39,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:39,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:39,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:39,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:39,493 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:39,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:39,587 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:39,587 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 [2021-11-23 00:27:40,326 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:40,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 178 states and 333 transitions. [2021-11-23 00:27:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 333 transitions. [2021-11-23 00:27:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:40,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:40,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:40,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:40,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:40,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:40,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:40,502 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:40,503 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 [2021-11-23 00:27:40,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:40,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:40,752 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:40,752 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 [2021-11-23 00:27:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:41,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 179 states and 334 transitions. [2021-11-23 00:27:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 334 transitions. [2021-11-23 00:27:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:41,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:41,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:41,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:41,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:41,268 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:41,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:41,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:41,387 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:41,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:41,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:41,582 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:41,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 180 states and 335 transitions. [2021-11-23 00:27:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 335 transitions. [2021-11-23 00:27:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:41,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:41,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:41,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:41,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:42,004 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 [2021-11-23 00:27:42,010 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 [2021-11-23 00:27:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:42,030 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:42,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:42,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:42,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:42,270 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:42,270 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 [2021-11-23 00:27:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 181 states and 336 transitions. [2021-11-23 00:27:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 336 transitions. [2021-11-23 00:27:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:42,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:42,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:42,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:42,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:42,473 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:42,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:27:42,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:42,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:42,581 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:42,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:42,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:42,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:42,789 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:42,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 182 states and 337 transitions. [2021-11-23 00:27:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 337 transitions. [2021-11-23 00:27:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:43,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:43,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:43,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:43,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:43,243 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:43,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:43,264 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 [2021-11-23 00:27:43,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:43,361 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:43,361 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 [2021-11-23 00:27:43,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:43,411 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:43,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 183 states and 338 transitions. [2021-11-23 00:27:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 338 transitions. [2021-11-23 00:27:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:43,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:43,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:43,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:43,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:43,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:43,870 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 [2021-11-23 00:27:43,891 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:43,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:44,302 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:44,302 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 [2021-11-23 00:27:44,907 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:44,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 184 states and 339 transitions. [2021-11-23 00:27:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 339 transitions. [2021-11-23 00:27:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:44,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:44,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:44,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:27:44,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:45,007 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 [2021-11-23 00:27:45,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:45,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:27:45,276 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:27:45,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:27:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 185 states and 340 transitions. [2021-11-23 00:27:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 340 transitions. [2021-11-23 00:27:45,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:45,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:45,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:45,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:45,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:45,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:45,920 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 [2021-11-23 00:27:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:45,939 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:45,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:46,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:46,155 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:46,155 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 [2021-11-23 00:27:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 186 states and 341 transitions. [2021-11-23 00:27:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 341 transitions. [2021-11-23 00:27:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:46,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:46,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:46,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:46,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:46,670 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 [2021-11-23 00:27:46,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:46,695 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:46,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:46,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:46,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:46,931 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:46,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 187 states and 342 transitions. [2021-11-23 00:27:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 342 transitions. [2021-11-23 00:27:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:47,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:47,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:47,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:47,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:47,419 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 [2021-11-23 00:27:47,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:27:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:47,466 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:47,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:47,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:47,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:47,667 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:47,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 188 states and 343 transitions. [2021-11-23 00:27:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 343 transitions. [2021-11-23 00:27:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:48,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:48,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:48,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:48,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:48,153 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:48,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:48,163 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 [2021-11-23 00:27:48,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:48,254 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:48,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:48,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:48,454 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:48,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:48,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 189 states and 344 transitions. [2021-11-23 00:27:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 344 transitions. [2021-11-23 00:27:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:48,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:48,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:48,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:48,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:48,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:48,893 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 [2021-11-23 00:27:48,912 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:48,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:49,330 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:49,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:27:49,677 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:49,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 190 states and 345 transitions. [2021-11-23 00:27:49,697 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 345 transitions. [2021-11-23 00:27:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:49,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:49,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:49,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:27:49,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:49,837 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 [2021-11-23 00:27:49,846 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 [2021-11-23 00:27:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:49,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:27:50,287 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:27:50,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:27:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 191 states and 346 transitions. [2021-11-23 00:27:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 346 transitions. [2021-11-23 00:27:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:50,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:50,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:51,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:51,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:51,088 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:51,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:51,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:51,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:51,197 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:51,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:51,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:51,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:51,254 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:51,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 192 states and 347 transitions. [2021-11-23 00:27:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 347 transitions. [2021-11-23 00:27:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:53,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:53,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:53,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:53,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:53,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:53,824 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 [2021-11-23 00:27:53,844 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:53,844 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 [2021-11-23 00:27:54,276 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:54,276 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 [2021-11-23 00:27:55,024 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:55,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 193 states and 348 transitions. [2021-11-23 00:27:55,046 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 348 transitions. [2021-11-23 00:27:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:55,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:55,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:55,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:55,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:55,160 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:55,160 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 [2021-11-23 00:27:55,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:55,301 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:55,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:55,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:55,549 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:55,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:27:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 194 states and 349 transitions. [2021-11-23 00:27:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 349 transitions. [2021-11-23 00:27:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:55,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:55,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:56,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:56,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:56,018 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 [2021-11-23 00:27:56,024 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 [2021-11-23 00:27:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:56,045 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:56,045 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 [2021-11-23 00:27:56,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:56,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:56,286 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:56,286 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 [2021-11-23 00:27:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 195 states and 350 transitions. [2021-11-23 00:27:56,684 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 350 transitions. [2021-11-23 00:27:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:56,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:56,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:56,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:56,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:56,808 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:56,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:56,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:56,839 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:56,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:56,942 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:56,942 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 [2021-11-23 00:27:57,709 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:27:57,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:27:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 196 states and 351 transitions. [2021-11-23 00:27:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 351 transitions. [2021-11-23 00:27:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:57,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:57,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:57,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:57,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:57,834 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:57,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:27:57,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:57,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:57,978 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:57,979 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 [2021-11-23 00:27:58,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:58,043 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:58,043 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 [2021-11-23 00:27:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 197 states and 352 transitions. [2021-11-23 00:27:58,499 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 352 transitions. [2021-11-23 00:27:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:58,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:58,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:58,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:27:58,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:58,611 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:27:58,611 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 [2021-11-23 00:27:58,621 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 [2021-11-23 00:27:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:58,712 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:27:58,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:58,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:27:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:27:58,763 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:27:58,763 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 [2021-11-23 00:27:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:59,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 198 states and 353 transitions. [2021-11-23 00:27:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 353 transitions. [2021-11-23 00:27:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:27:59,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:59,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:59,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:27:59,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:59,290 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:27:59,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:27:59,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:27:59,336 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:27:59,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:27:59,450 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:27:59,451 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 [2021-11-23 00:28:00,147 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:00,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 199 states and 354 transitions. [2021-11-23 00:28:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 354 transitions. [2021-11-23 00:28:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:00,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:00,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:00,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:00,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:00,264 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:00,264 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 [2021-11-23 00:28:00,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:00,374 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:00,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:00,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:00,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:00,583 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:00,583 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 [2021-11-23 00:28:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:00,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 200 states and 355 transitions. [2021-11-23 00:28:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 355 transitions. [2021-11-23 00:28:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:00,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:00,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:01,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:01,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:01,095 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:01,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:01,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:01,208 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:01,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:01,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:01,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:01,256 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:01,257 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 [2021-11-23 00:28:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 201 states and 356 transitions. [2021-11-23 00:28:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 356 transitions. [2021-11-23 00:28:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:01,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:01,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:01,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:01,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:01,699 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:01,700 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 [2021-11-23 00:28:01,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:01,822 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:01,822 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 [2021-11-23 00:28:02,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:02,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:02,083 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:02,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 202 states and 357 transitions. [2021-11-23 00:28:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 357 transitions. [2021-11-23 00:28:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:02,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:02,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:02,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:02,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:02,568 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:02,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:02,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:02,682 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:02,682 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 [2021-11-23 00:28:02,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:02,936 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:02,936 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 [2021-11-23 00:28:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 203 states and 358 transitions. [2021-11-23 00:28:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 358 transitions. [2021-11-23 00:28:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:03,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:03,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:03,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:03,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:03,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:03,412 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 [2021-11-23 00:28:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:03,433 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:03,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:03,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:03,691 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:03,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 204 states and 359 transitions. [2021-11-23 00:28:04,085 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 359 transitions. [2021-11-23 00:28:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:04,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:04,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:04,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:04,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:04,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:04,176 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 [2021-11-23 00:28:04,198 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:04,198 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 [2021-11-23 00:28:04,675 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:04,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:28:05,321 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:05,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 205 states and 360 transitions. [2021-11-23 00:28:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 360 transitions. [2021-11-23 00:28:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:05,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:05,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:05,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:05,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:05,433 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:05,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:05,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:05,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:05,542 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:05,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:05,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:05,591 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:05,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 206 states and 361 transitions. [2021-11-23 00:28:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 361 transitions. [2021-11-23 00:28:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:05,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:05,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:06,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:06,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:06,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:06,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:06,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:06,089 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:06,090 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 [2021-11-23 00:28:06,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:06,166 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:06,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 207 states and 362 transitions. [2021-11-23 00:28:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 362 transitions. [2021-11-23 00:28:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:06,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:06,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:06,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:06,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:06,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:06,555 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 [2021-11-23 00:28:06,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:06,571 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:06,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:06,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:06,778 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:06,778 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 [2021-11-23 00:28:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 208 states and 363 transitions. [2021-11-23 00:28:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 363 transitions. [2021-11-23 00:28:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:07,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:07,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:07,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:07,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:07,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:07,196 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 [2021-11-23 00:28:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:07,213 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:07,213 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 [2021-11-23 00:28:07,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:07,251 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:07,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 209 states and 364 transitions. [2021-11-23 00:28:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 364 transitions. [2021-11-23 00:28:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:07,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:07,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:07,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:07,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:07,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:07,664 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 [2021-11-23 00:28:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:07,681 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:07,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:07,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:07,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:07,938 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:07,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 210 states and 365 transitions. [2021-11-23 00:28:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 365 transitions. [2021-11-23 00:28:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:08,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:08,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:08,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:08,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:08,423 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:08,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:08,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:08,538 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:08,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:08,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:08,586 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:08,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 211 states and 366 transitions. [2021-11-23 00:28:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 366 transitions. [2021-11-23 00:28:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:08,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:08,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:08,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:08,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:08,993 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:08,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:28:09,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:09,082 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:09,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:09,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:09,280 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:09,280 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 [2021-11-23 00:28:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 212 states and 367 transitions. [2021-11-23 00:28:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 367 transitions. [2021-11-23 00:28:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:09,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:09,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:09,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:09,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:09,627 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:09,627 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 [2021-11-23 00:28:09,637 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 [2021-11-23 00:28:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:09,707 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:09,707 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 [2021-11-23 00:28:09,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:09,862 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:09,863 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 [2021-11-23 00:28:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:10,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:10,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 213 states and 368 transitions. [2021-11-23 00:28:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 368 transitions. [2021-11-23 00:28:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:10,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:10,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:10,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:10,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:10,267 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:10,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:10,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:10,365 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:10,365 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 [2021-11-23 00:28:10,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:10,552 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:10,553 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 [2021-11-23 00:28:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 214 states and 369 transitions. [2021-11-23 00:28:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 369 transitions. [2021-11-23 00:28:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:12,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:12,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:12,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:12,540 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 [2021-11-23 00:28:12,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:12,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:12,559 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:12,559 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 [2021-11-23 00:28:12,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:12,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:12,748 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:12,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 215 states and 370 transitions. [2021-11-23 00:28:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 370 transitions. [2021-11-23 00:28:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:13,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:13,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:13,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:13,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:13,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:13,121 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 [2021-11-23 00:28:13,139 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:13,139 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 [2021-11-23 00:28:13,213 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:13,213 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 [2021-11-23 00:28:13,811 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:13,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:13,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 216 states and 371 transitions. [2021-11-23 00:28:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 371 transitions. [2021-11-23 00:28:13,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:13,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:13,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:13,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:13,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:13,911 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:13,911 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 [2021-11-23 00:28:13,920 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 [2021-11-23 00:28:13,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:13,991 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:13,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:14,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:14,188 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:14,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 217 states and 372 transitions. [2021-11-23 00:28:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 372 transitions. [2021-11-23 00:28:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:15,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:15,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:16,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:16,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:16,090 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:16,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:28:16,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:16,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:16,176 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:16,176 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 [2021-11-23 00:28:16,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:16,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:16,225 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:16,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:16,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 218 states and 373 transitions. [2021-11-23 00:28:16,575 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 373 transitions. [2021-11-23 00:28:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:16,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:16,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:16,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:16,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:16,685 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:16,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:16,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:16,766 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:16,767 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 [2021-11-23 00:28:16,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:16,807 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:16,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 219 states and 374 transitions. [2021-11-23 00:28:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 374 transitions. [2021-11-23 00:28:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:17,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:17,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:17,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:17,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:17,968 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 [2021-11-23 00:28:17,974 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 [2021-11-23 00:28:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:17,986 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:17,987 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 [2021-11-23 00:28:18,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:18,175 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:18,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 220 states and 375 transitions. [2021-11-23 00:28:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 375 transitions. [2021-11-23 00:28:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:18,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:18,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:18,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:18,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:18,519 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 [2021-11-23 00:28:18,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:18,537 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:18,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:18,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:18,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:18,575 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:18,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:18,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 221 states and 376 transitions. [2021-11-23 00:28:18,673 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 376 transitions. [2021-11-23 00:28:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:18,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:18,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:18,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:18,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:18,796 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:18,797 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 [2021-11-23 00:28:18,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:18,827 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:18,828 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 [2021-11-23 00:28:19,171 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:19,171 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 [2021-11-23 00:28:19,826 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:19,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 222 states and 377 transitions. [2021-11-23 00:28:19,842 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 377 transitions. [2021-11-23 00:28:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:19,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:19,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:19,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:19,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:19,926 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:19,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:28:19,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:20,007 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:20,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:20,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:20,194 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:20,194 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 [2021-11-23 00:28:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 223 states and 378 transitions. [2021-11-23 00:28:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 378 transitions. [2021-11-23 00:28:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:20,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:20,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:20,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:20,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:20,386 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:20,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:20,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:20,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:20,472 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:20,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:20,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:20,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:20,521 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:20,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 224 states and 379 transitions. [2021-11-23 00:28:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 379 transitions. [2021-11-23 00:28:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:20,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:20,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:20,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:20,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:20,880 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 [2021-11-23 00:28:20,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:20,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:20,899 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:20,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:21,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:21,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:21,082 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:21,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:21,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 225 states and 380 transitions. [2021-11-23 00:28:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 380 transitions. [2021-11-23 00:28:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:21,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:21,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:21,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:21,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:21,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:21,418 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 [2021-11-23 00:28:21,433 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:21,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:21,783 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:21,783 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 [2021-11-23 00:28:22,454 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:22,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 226 states and 381 transitions. [2021-11-23 00:28:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 381 transitions. [2021-11-23 00:28:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:22,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:22,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:22,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:22,566 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 [2021-11-23 00:28:22,584 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:22,584 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 [2021-11-23 00:28:22,660 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:22,661 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 [2021-11-23 00:28:23,197 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:23,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 227 states and 382 transitions. [2021-11-23 00:28:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 382 transitions. [2021-11-23 00:28:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:23,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:23,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:23,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:23,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:23,291 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 [2021-11-23 00:28:23,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:23,305 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:23,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:23,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:23,356 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:23,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:23,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 228 states and 383 transitions. [2021-11-23 00:28:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 383 transitions. [2021-11-23 00:28:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:23,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:23,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:23,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:23,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:23,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:23,795 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:23,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:23,868 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:23,868 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 [2021-11-23 00:28:24,171 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:24,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 229 states and 384 transitions. [2021-11-23 00:28:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 384 transitions. [2021-11-23 00:28:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:24,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:24,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:24,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:24,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:24,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:24,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:24,289 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:24,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:24,669 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:24,669 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 [2021-11-23 00:28:25,249 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:25,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:25,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 230 states and 385 transitions. [2021-11-23 00:28:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 385 transitions. [2021-11-23 00:28:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:25,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:25,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:25,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:25,351 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 [2021-11-23 00:28:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:25,364 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:25,364 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 [2021-11-23 00:28:25,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:25,571 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:25,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 231 states and 386 transitions. [2021-11-23 00:28:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 386 transitions. [2021-11-23 00:28:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:25,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:28:25,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:25,993 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:25,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:28:26,006 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 [2021-11-23 00:28:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:26,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:28:26,305 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:28:26,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:28:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 232 states and 387 transitions. [2021-11-23 00:28:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 387 transitions. [2021-11-23 00:28:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:26,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:26,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:26,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:26,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:26,842 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:26,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:26,858 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 [2021-11-23 00:28:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:26,929 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:26,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:27,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:27,130 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:27,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 233 states and 388 transitions. [2021-11-23 00:28:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2021-11-23 00:28:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:27,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:27,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:27,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:27,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:27,315 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:27,316 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 19 [2021-11-23 00:28:27,323 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 [2021-11-23 00:28:27,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:27,401 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:27,401 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 [2021-11-23 00:28:27,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:27,440 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:27,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 234 states and 389 transitions. [2021-11-23 00:28:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 389 transitions. [2021-11-23 00:28:29,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:29,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:29,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:29,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:29,376 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:29,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:28:29,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:29,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:29,453 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:29,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:29,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:29,626 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:29,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 235 states and 390 transitions. [2021-11-23 00:28:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 390 transitions. [2021-11-23 00:28:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:29,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:29,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:29,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:29,980 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 [2021-11-23 00:28:29,984 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 [2021-11-23 00:28:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:30,015 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:30,015 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 [2021-11-23 00:28:30,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:30,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:30,197 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:30,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 236 states and 391 transitions. [2021-11-23 00:28:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 391 transitions. [2021-11-23 00:28:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:30,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:30,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:30,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:30,571 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:30,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:30,580 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 [2021-11-23 00:28:30,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:30,674 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:30,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:30,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:30,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:30,898 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:30,898 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 [2021-11-23 00:28:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:31,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 237 states and 392 transitions. [2021-11-23 00:28:31,236 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 392 transitions. [2021-11-23 00:28:31,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:31,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:31,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:31,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:31,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:31,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:31,336 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 [2021-11-23 00:28:31,359 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:31,359 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 [2021-11-23 00:28:31,669 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:31,669 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 [2021-11-23 00:28:32,171 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:32,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 238 states and 393 transitions. [2021-11-23 00:28:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2021-11-23 00:28:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:32,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:32,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:32,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:32,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:32,273 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:32,273 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 19 [2021-11-23 00:28:32,282 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 [2021-11-23 00:28:32,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:32,351 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:32,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:32,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:32,515 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:32,515 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 239 states and 394 transitions. [2021-11-23 00:28:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 394 transitions. [2021-11-23 00:28:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:32,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:32,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:32,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:32,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:32,864 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 [2021-11-23 00:28:32,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:32,879 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:32,879 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 [2021-11-23 00:28:33,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:33,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:33,052 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:33,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 240 states and 395 transitions. [2021-11-23 00:28:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 395 transitions. [2021-11-23 00:28:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:33,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:33,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:33,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:28:33,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:33,374 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:33,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:28:33,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:33,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:33,395 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 [2021-11-23 00:28:33,648 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:28:33,648 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:28:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 241 states and 396 transitions. [2021-11-23 00:28:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 396 transitions. [2021-11-23 00:28:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:33,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:33,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:33,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:33,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:33,858 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 [2021-11-23 00:28:33,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:33,878 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:33,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:33,947 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:33,947 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 [2021-11-23 00:28:34,450 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:34,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 242 states and 397 transitions. [2021-11-23 00:28:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 397 transitions. [2021-11-23 00:28:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:34,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:34,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:34,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:28:34,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:34,545 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:34,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:34,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:34,572 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 [2021-11-23 00:28:34,844 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:28:34,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:28:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 398 transitions. [2021-11-23 00:28:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 398 transitions. [2021-11-23 00:28:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:35,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:35,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:35,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:35,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:35,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:35,358 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 [2021-11-23 00:28:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:35,371 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:35,371 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 [2021-11-23 00:28:35,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:35,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:35,565 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:35,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:36,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 244 states and 399 transitions. [2021-11-23 00:28:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 399 transitions. [2021-11-23 00:28:36,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:36,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:36,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:36,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:36,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:36,649 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:36,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:36,658 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 [2021-11-23 00:28:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:36,727 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:36,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:36,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:36,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:36,874 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:36,874 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 245 states and 400 transitions. [2021-11-23 00:28:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 400 transitions. [2021-11-23 00:28:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:38,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:38,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:38,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:38,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:38,741 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:38,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:38,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:38,824 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:38,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:39,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:39,007 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:39,007 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 [2021-11-23 00:28:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 246 states and 401 transitions. [2021-11-23 00:28:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 401 transitions. [2021-11-23 00:28:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:39,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:39,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:39,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:39,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:39,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:39,365 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 [2021-11-23 00:28:39,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:39,381 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:39,381 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 [2021-11-23 00:28:39,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:39,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:39,420 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:39,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 247 states and 402 transitions. [2021-11-23 00:28:40,416 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 402 transitions. [2021-11-23 00:28:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:40,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:40,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:40,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:40,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:40,509 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:40,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:40,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:40,586 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:40,587 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 [2021-11-23 00:28:40,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:40,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:40,731 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:40,731 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 [2021-11-23 00:28:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 248 states and 403 transitions. [2021-11-23 00:28:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 403 transitions. [2021-11-23 00:28:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:40,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:40,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:41,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:41,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:41,083 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:41,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:41,094 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 [2021-11-23 00:28:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:41,188 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:41,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:41,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:41,340 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:41,340 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 [2021-11-23 00:28:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 249 states and 404 transitions. [2021-11-23 00:28:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 404 transitions. [2021-11-23 00:28:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:42,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:42,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:42,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:42,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:42,445 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:42,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:28:42,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:42,525 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:42,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:42,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:42,563 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:42,563 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 [2021-11-23 00:28:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:42,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 250 states and 405 transitions. [2021-11-23 00:28:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 405 transitions. [2021-11-23 00:28:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:42,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:42,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:42,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:28:42,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:42,914 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:42,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:28:42,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:42,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:28:43,192 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:28:43,192 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:28:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 251 states and 406 transitions. [2021-11-23 00:28:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 406 transitions. [2021-11-23 00:28:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:43,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:43,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:43,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:43,680 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:43,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:28:43,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:43,704 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:43,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:44,012 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:44,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:28:44,626 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:44,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 252 states and 407 transitions. [2021-11-23 00:28:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 407 transitions. [2021-11-23 00:28:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:44,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:44,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:44,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:44,713 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:44,713 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 19 [2021-11-23 00:28:44,722 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 [2021-11-23 00:28:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:44,793 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:44,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:44,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:44,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:44,938 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:44,939 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 [2021-11-23 00:28:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 253 states and 408 transitions. [2021-11-23 00:28:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 408 transitions. [2021-11-23 00:28:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:45,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:45,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:45,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:45,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:45,295 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:45,295 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 [2021-11-23 00:28:45,304 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 [2021-11-23 00:28:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:45,376 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:45,377 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 [2021-11-23 00:28:45,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:45,531 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:45,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 254 states and 409 transitions. [2021-11-23 00:28:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 409 transitions. [2021-11-23 00:28:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:45,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:45,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:45,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:45,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:45,898 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 [2021-11-23 00:28:45,901 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 [2021-11-23 00:28:45,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:45,915 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:45,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:46,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:46,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:46,119 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:46,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 255 states and 410 transitions. [2021-11-23 00:28:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 410 transitions. [2021-11-23 00:28:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:46,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:46,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:46,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:46,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:46,550 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 [2021-11-23 00:28:46,556 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 [2021-11-23 00:28:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:46,577 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:46,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:46,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:46,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:46,624 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:46,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 256 states and 411 transitions. [2021-11-23 00:28:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 411 transitions. [2021-11-23 00:28:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:48,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:48,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:48,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:48,447 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 [2021-11-23 00:28:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:48,463 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:48,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:48,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:48,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:48,501 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:48,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 257 states and 412 transitions. [2021-11-23 00:28:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 412 transitions. [2021-11-23 00:28:48,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:48,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:48,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:48,843 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:48,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:48,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:48,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:48,921 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:48,921 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 [2021-11-23 00:28:48,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:48,960 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:48,960 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 [2021-11-23 00:28:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:50,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 258 states and 413 transitions. [2021-11-23 00:28:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 413 transitions. [2021-11-23 00:28:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:50,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:50,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:50,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:50,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:50,784 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:50,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:50,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:50,866 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:50,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:51,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:51,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:51,023 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:51,023 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 [2021-11-23 00:28:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 259 states and 414 transitions. [2021-11-23 00:28:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 414 transitions. [2021-11-23 00:28:51,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:51,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:51,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:51,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:51,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:51,386 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:51,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:51,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:51,411 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:51,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:51,750 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:28:51,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:28:52,368 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:28:52,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:28:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 260 states and 415 transitions. [2021-11-23 00:28:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 415 transitions. [2021-11-23 00:28:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:52,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:52,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:52,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:52,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:52,497 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:52,497 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 [2021-11-23 00:28:52,511 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 [2021-11-23 00:28:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:52,604 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:52,604 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 [2021-11-23 00:28:52,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:52,792 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:52,792 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 [2021-11-23 00:28:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 261 states and 416 transitions. [2021-11-23 00:28:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 416 transitions. [2021-11-23 00:28:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:53,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:53,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:53,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:53,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:53,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:53,872 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 [2021-11-23 00:28:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:53,886 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:53,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:53,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:53,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:53,925 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:53,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 262 states and 417 transitions. [2021-11-23 00:28:54,206 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 417 transitions. [2021-11-23 00:28:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:54,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:54,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:54,276 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 [2021-11-23 00:28:54,280 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 [2021-11-23 00:28:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:54,295 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:54,296 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 [2021-11-23 00:28:54,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:54,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:54,340 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:54,340 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 [2021-11-23 00:28:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 263 states and 418 transitions. [2021-11-23 00:28:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 418 transitions. [2021-11-23 00:28:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:55,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:55,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:55,441 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 [2021-11-23 00:28:55,444 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 [2021-11-23 00:28:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:55,458 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:55,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:55,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:55,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:55,647 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:55,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 264 states and 419 transitions. [2021-11-23 00:28:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 419 transitions. [2021-11-23 00:28:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:55,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:55,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:55,997 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:55,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:56,007 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 [2021-11-23 00:28:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:56,076 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:56,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:56,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:56,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:56,269 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:56,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:56,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 265 states and 420 transitions. [2021-11-23 00:28:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 420 transitions. [2021-11-23 00:28:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:56,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:56,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:56,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:56,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:56,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:56,616 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 [2021-11-23 00:28:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:56,631 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:56,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:56,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:56,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:56,669 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:56,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 266 states and 421 transitions. [2021-11-23 00:28:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 421 transitions. [2021-11-23 00:28:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:56,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:56,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:56,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:56,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:56,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:56,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:28:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:56,851 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:56,851 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 [2021-11-23 00:28:56,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:57,002 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:57,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 267 states and 422 transitions. [2021-11-23 00:28:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 422 transitions. [2021-11-23 00:28:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:57,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:57,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:57,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:57,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:57,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:57,384 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 [2021-11-23 00:28:57,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:57,404 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:57,404 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 [2021-11-23 00:28:57,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:57,566 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:57,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 268 states and 423 transitions. [2021-11-23 00:28:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 423 transitions. [2021-11-23 00:28:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:57,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:57,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:57,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:57,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:57,945 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:57,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:57,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:58,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:58,024 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:58,024 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 [2021-11-23 00:28:58,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:58,062 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:58,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:28:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 269 states and 424 transitions. [2021-11-23 00:28:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 424 transitions. [2021-11-23 00:28:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:58,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:58,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:58,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:28:58,457 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 [2021-11-23 00:28:58,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:58,471 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:58,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:58,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:58,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:58,633 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:58,633 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 [2021-11-23 00:28:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 270 states and 425 transitions. [2021-11-23 00:28:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 425 transitions. [2021-11-23 00:28:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:58,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:28:58,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:59,007 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:28:59,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:59,017 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 [2021-11-23 00:28:59,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:59,087 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:28:59,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:28:59,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:28:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:28:59,249 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:28:59,249 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 [2021-11-23 00:28:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 271 states and 426 transitions. [2021-11-23 00:28:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 426 transitions. [2021-11-23 00:28:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:59,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:28:59,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:59,629 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:28:59,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:28:59,638 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 [2021-11-23 00:28:59,658 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:28:59,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:00,005 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:00,005 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 [2021-11-23 00:29:00,713 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:00,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 272 states and 427 transitions. [2021-11-23 00:29:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 427 transitions. [2021-11-23 00:29:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:00,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:00,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:00,971 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:00,971 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 19 [2021-11-23 00:29:00,980 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 [2021-11-23 00:29:01,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:01,051 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:01,051 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 [2021-11-23 00:29:01,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:01,089 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:01,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 273 states and 428 transitions. [2021-11-23 00:29:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 428 transitions. [2021-11-23 00:29:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:01,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:01,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:01,267 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:01,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:01,276 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 [2021-11-23 00:29:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:01,351 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:01,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:01,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:01,388 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:01,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:01,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 274 states and 429 transitions. [2021-11-23 00:29:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 429 transitions. [2021-11-23 00:29:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:01,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:01,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:01,752 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 [2021-11-23 00:29:01,757 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 [2021-11-23 00:29:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:01,780 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:01,780 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 [2021-11-23 00:29:01,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:01,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:01,818 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:01,818 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 [2021-11-23 00:29:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 275 states and 430 transitions. [2021-11-23 00:29:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 430 transitions. [2021-11-23 00:29:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:01,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:01,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:01,984 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 [2021-11-23 00:29:01,989 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 [2021-11-23 00:29:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:02,002 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:02,002 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 [2021-11-23 00:29:02,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:02,194 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:02,194 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 [2021-11-23 00:29:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 276 states and 431 transitions. [2021-11-23 00:29:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 431 transitions. [2021-11-23 00:29:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:02,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:02,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:02,606 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:02,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:02,615 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 [2021-11-23 00:29:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:02,711 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:02,711 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 [2021-11-23 00:29:02,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:02,949 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:02,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 277 states and 432 transitions. [2021-11-23 00:29:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 432 transitions. [2021-11-23 00:29:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:03,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:03,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:03,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:03,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:03,321 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 [2021-11-23 00:29:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:03,334 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:03,335 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 [2021-11-23 00:29:03,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:03,490 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:03,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 278 states and 433 transitions. [2021-11-23 00:29:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 433 transitions. [2021-11-23 00:29:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:03,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:03,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:03,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:03,668 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 [2021-11-23 00:29:03,674 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 [2021-11-23 00:29:03,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:03,688 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:03,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:03,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:03,883 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:03,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:04,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 279 states and 434 transitions. [2021-11-23 00:29:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 434 transitions. [2021-11-23 00:29:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:04,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:04,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:04,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:04,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:04,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:04,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:04,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:04,271 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:04,271 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 [2021-11-23 00:29:04,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:04,466 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:04,466 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 [2021-11-23 00:29:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 280 states and 435 transitions. [2021-11-23 00:29:04,761 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 435 transitions. [2021-11-23 00:29:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:04,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:04,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:04,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:04,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:04,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:04,836 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 [2021-11-23 00:29:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:04,851 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:04,851 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 [2021-11-23 00:29:04,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:04,888 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:04,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 281 states and 436 transitions. [2021-11-23 00:29:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 436 transitions. [2021-11-23 00:29:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:05,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:05,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:05,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:05,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:05,266 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:05,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:05,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:05,346 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:05,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:05,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:05,384 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:05,384 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 [2021-11-23 00:29:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 282 states and 437 transitions. [2021-11-23 00:29:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 437 transitions. [2021-11-23 00:29:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:06,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:06,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:06,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:06,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:06,481 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 [2021-11-23 00:29:06,484 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 [2021-11-23 00:29:06,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:06,499 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:06,499 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 [2021-11-23 00:29:06,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:06,713 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:06,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 283 states and 438 transitions. [2021-11-23 00:29:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 438 transitions. [2021-11-23 00:29:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:07,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:07,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:07,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:07,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:07,115 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 [2021-11-23 00:29:07,120 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 [2021-11-23 00:29:07,139 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:07,139 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 [2021-11-23 00:29:07,499 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:07,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:29:08,069 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:08,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 284 states and 439 transitions. [2021-11-23 00:29:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 439 transitions. [2021-11-23 00:29:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:08,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:08,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:08,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:08,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:08,183 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:08,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:29:08,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:08,266 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:08,266 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 [2021-11-23 00:29:08,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:08,462 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:08,462 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 [2021-11-23 00:29:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:08,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 285 states and 440 transitions. [2021-11-23 00:29:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 440 transitions. [2021-11-23 00:29:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:08,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:08,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:08,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:08,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:08,830 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:08,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:08,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:08,856 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:08,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:08,930 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:08,930 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 [2021-11-23 00:29:09,600 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:09,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 286 states and 441 transitions. [2021-11-23 00:29:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 441 transitions. [2021-11-23 00:29:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:09,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:09,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:09,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:29:09,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:09,716 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:09,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:09,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:09,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:29:09,993 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:29:09,994 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:29:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 287 states and 442 transitions. [2021-11-23 00:29:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 442 transitions. [2021-11-23 00:29:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:10,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:10,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:10,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:10,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:10,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:10,476 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 [2021-11-23 00:29:10,492 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:10,493 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 [2021-11-23 00:29:10,860 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:10,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:29:11,570 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:11,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 288 states and 443 transitions. [2021-11-23 00:29:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 443 transitions. [2021-11-23 00:29:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:11,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:11,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:11,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:11,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:11,665 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 [2021-11-23 00:29:11,668 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 [2021-11-23 00:29:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:11,685 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:11,685 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 [2021-11-23 00:29:11,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:11,724 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:11,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 289 states and 444 transitions. [2021-11-23 00:29:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 444 transitions. [2021-11-23 00:29:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:13,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:13,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:13,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:13,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:13,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:13,665 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 [2021-11-23 00:29:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:13,678 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:13,679 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 [2021-11-23 00:29:13,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:13,849 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:13,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 290 states and 445 transitions. [2021-11-23 00:29:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 445 transitions. [2021-11-23 00:29:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:13,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:13,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:14,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:14,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:14,047 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 [2021-11-23 00:29:14,051 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 [2021-11-23 00:29:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:14,066 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:14,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:14,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:14,283 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:14,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 291 states and 446 transitions. [2021-11-23 00:29:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 446 transitions. [2021-11-23 00:29:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:14,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:14,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:14,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:14,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:14,475 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:14,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:14,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:14,556 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:14,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:14,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:14,728 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:14,728 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 [2021-11-23 00:29:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 292 states and 447 transitions. [2021-11-23 00:29:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 447 transitions. [2021-11-23 00:29:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:14,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:14,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:15,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:15,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:15,098 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:15,099 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 [2021-11-23 00:29:15,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:15,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:15,183 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:15,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:15,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:15,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:15,386 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:15,386 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 [2021-11-23 00:29:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 293 states and 448 transitions. [2021-11-23 00:29:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 448 transitions. [2021-11-23 00:29:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:16,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:16,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:16,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:16,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:16,495 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:16,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:16,504 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 [2021-11-23 00:29:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:16,579 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:16,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:16,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:16,785 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:16,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 294 states and 449 transitions. [2021-11-23 00:29:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 449 transitions. [2021-11-23 00:29:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:17,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:17,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:17,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:17,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:17,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:17,168 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 [2021-11-23 00:29:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:17,185 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:17,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:17,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:17,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:17,353 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:17,353 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 [2021-11-23 00:29:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 295 states and 450 transitions. [2021-11-23 00:29:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 450 transitions. [2021-11-23 00:29:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:17,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:17,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:17,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:17,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:17,715 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:17,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:17,722 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 [2021-11-23 00:29:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:17,799 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:17,799 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 [2021-11-23 00:29:17,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:17,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:17,839 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:17,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 296 states and 451 transitions. [2021-11-23 00:29:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 451 transitions. [2021-11-23 00:29:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:18,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:18,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:18,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:18,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:18,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:18,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:18,254 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:18,254 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 [2021-11-23 00:29:18,343 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:18,344 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 [2021-11-23 00:29:19,080 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:19,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 297 states and 452 transitions. [2021-11-23 00:29:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 452 transitions. [2021-11-23 00:29:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:19,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:19,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:19,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:19,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:19,168 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 [2021-11-23 00:29:19,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:19,185 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:19,186 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 [2021-11-23 00:29:19,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:19,350 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:19,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:20,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 298 states and 453 transitions. [2021-11-23 00:29:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 453 transitions. [2021-11-23 00:29:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:20,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:20,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:20,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:20,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:20,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:20,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:20,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:20,482 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:20,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:20,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:20,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:20,688 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:20,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 299 states and 454 transitions. [2021-11-23 00:29:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 454 transitions. [2021-11-23 00:29:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:20,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:20,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:21,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:21,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:21,096 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 [2021-11-23 00:29:21,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:21,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:21,118 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:21,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:21,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:21,336 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:21,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 300 states and 455 transitions. [2021-11-23 00:29:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 455 transitions. [2021-11-23 00:29:21,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:21,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:21,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:21,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:21,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:21,706 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:21,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:21,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:21,798 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:21,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:21,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:22,002 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:22,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 301 states and 456 transitions. [2021-11-23 00:29:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 456 transitions. [2021-11-23 00:29:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:22,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:22,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:22,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:22,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:22,208 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:22,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:22,216 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 [2021-11-23 00:29:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:22,293 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:22,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:22,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:22,333 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:22,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:22,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 302 states and 457 transitions. [2021-11-23 00:29:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 457 transitions. [2021-11-23 00:29:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:22,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:22,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:22,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:22,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:22,746 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 [2021-11-23 00:29:22,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:22,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:22,767 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:22,767 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 [2021-11-23 00:29:22,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:22,994 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:22,994 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 [2021-11-23 00:29:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 303 states and 458 transitions. [2021-11-23 00:29:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 458 transitions. [2021-11-23 00:29:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:23,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:23,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:23,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:23,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:23,414 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:23,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:23,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:23,440 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:23,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:23,822 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:23,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:29:24,613 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:24,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 304 states and 459 transitions. [2021-11-23 00:29:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 459 transitions. [2021-11-23 00:29:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:24,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:24,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:24,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:24,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:24,703 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 [2021-11-23 00:29:24,708 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 [2021-11-23 00:29:24,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:24,721 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:24,722 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 [2021-11-23 00:29:24,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:24,879 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:24,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 305 states and 460 transitions. [2021-11-23 00:29:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 460 transitions. [2021-11-23 00:29:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:25,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:25,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:25,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:25,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:25,261 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 [2021-11-23 00:29:25,267 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 [2021-11-23 00:29:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:25,281 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:25,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:25,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:25,319 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:25,320 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 [2021-11-23 00:29:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:25,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 306 states and 461 transitions. [2021-11-23 00:29:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 461 transitions. [2021-11-23 00:29:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:25,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:25,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:25,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:25,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:25,729 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:25,729 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 [2021-11-23 00:29:25,740 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 [2021-11-23 00:29:25,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:25,821 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:25,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:25,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:25,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:25,864 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:25,864 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 [2021-11-23 00:29:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 307 states and 462 transitions. [2021-11-23 00:29:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 462 transitions. [2021-11-23 00:29:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:26,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:26,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:26,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:26,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:26,232 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 [2021-11-23 00:29:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:26,247 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:26,248 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 [2021-11-23 00:29:26,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:26,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:26,414 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:26,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 308 states and 463 transitions. [2021-11-23 00:29:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 463 transitions. [2021-11-23 00:29:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:26,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:26,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:26,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:26,606 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:26,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:26,615 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 [2021-11-23 00:29:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:26,689 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:26,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:26,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:26,908 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:26,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 309 states and 464 transitions. [2021-11-23 00:29:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 464 transitions. [2021-11-23 00:29:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:27,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:27,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:28,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:28,044 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:28,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:28,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:28,071 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:28,071 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 [2021-11-23 00:29:28,143 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:28,144 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 [2021-11-23 00:29:28,902 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:28,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:28,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 310 states and 465 transitions. [2021-11-23 00:29:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 465 transitions. [2021-11-23 00:29:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:28,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:29,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:29,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:29,037 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:29,038 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 [2021-11-23 00:29:29,046 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 [2021-11-23 00:29:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:29,118 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:29,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:29,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:29,306 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:29,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 311 states and 466 transitions. [2021-11-23 00:29:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 466 transitions. [2021-11-23 00:29:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:29,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:29,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:29,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:29,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:29,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:29,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:29,558 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:29,559 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 [2021-11-23 00:29:29,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:29,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:29,771 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:29,771 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 [2021-11-23 00:29:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:30,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 312 states and 467 transitions. [2021-11-23 00:29:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 467 transitions. [2021-11-23 00:29:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:30,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:30,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:30,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:30,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:30,225 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 [2021-11-23 00:29:30,233 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 [2021-11-23 00:29:30,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:30,249 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:30,250 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 [2021-11-23 00:29:30,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:30,514 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:30,515 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 313 states and 468 transitions. [2021-11-23 00:29:30,886 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 468 transitions. [2021-11-23 00:29:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:30,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:30,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:30,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:30,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:30,991 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:30,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:31,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:31,017 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:31,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:31,491 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:31,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:29:32,511 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:32,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 314 states and 469 transitions. [2021-11-23 00:29:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 469 transitions. [2021-11-23 00:29:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:32,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:32,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:32,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:32,642 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:32,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:32,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:32,753 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:32,753 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 [2021-11-23 00:29:32,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:32,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:32,813 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:32,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 315 states and 470 transitions. [2021-11-23 00:29:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 470 transitions. [2021-11-23 00:29:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:32,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:32,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:33,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:33,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:33,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:33,070 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 [2021-11-23 00:29:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:33,085 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:33,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:33,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:33,129 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:33,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 316 states and 471 transitions. [2021-11-23 00:29:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 471 transitions. [2021-11-23 00:29:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:33,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:33,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:33,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:33,652 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:33,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:33,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:33,689 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:33,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:34,236 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:34,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:29:35,130 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:35,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:35,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:35,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 317 states and 472 transitions. [2021-11-23 00:29:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 472 transitions. [2021-11-23 00:29:35,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:35,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:35,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:35,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:35,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:35,281 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:35,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:35,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:35,310 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:35,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:35,872 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:35,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:29:36,817 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:36,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 318 states and 473 transitions. [2021-11-23 00:29:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 473 transitions. [2021-11-23 00:29:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:36,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:36,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:36,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:36,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:36,943 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 [2021-11-23 00:29:36,952 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 [2021-11-23 00:29:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:36,967 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:36,967 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 [2021-11-23 00:29:37,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:37,023 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:37,023 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 [2021-11-23 00:29:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 319 states and 474 transitions. [2021-11-23 00:29:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 474 transitions. [2021-11-23 00:29:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:37,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:37,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:37,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:37,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:37,620 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:37,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:37,633 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 [2021-11-23 00:29:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:37,750 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:37,750 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 [2021-11-23 00:29:37,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:37,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:37,801 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:37,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 320 states and 475 transitions. [2021-11-23 00:29:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 475 transitions. [2021-11-23 00:29:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:38,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:38,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:38,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:38,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:38,298 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:38,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:38,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:38,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:38,405 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:38,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:38,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:38,607 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:38,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 321 states and 476 transitions. [2021-11-23 00:29:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 476 transitions. [2021-11-23 00:29:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:38,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:38,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:39,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:39,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:39,051 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:39,052 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 [2021-11-23 00:29:39,061 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 [2021-11-23 00:29:39,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:39,179 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:39,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:39,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:39,482 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:39,482 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 [2021-11-23 00:29:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 322 states and 477 transitions. [2021-11-23 00:29:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 477 transitions. [2021-11-23 00:29:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:39,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:39,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:39,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:39,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:39,961 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:39,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:39,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:40,073 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:40,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:40,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:40,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:40,117 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:40,118 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 [2021-11-23 00:29:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 323 states and 478 transitions. [2021-11-23 00:29:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 478 transitions. [2021-11-23 00:29:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:40,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:40,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:40,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:40,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:40,584 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 [2021-11-23 00:29:40,588 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 [2021-11-23 00:29:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:40,604 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:40,604 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 [2021-11-23 00:29:40,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:40,645 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:40,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 324 states and 479 transitions. [2021-11-23 00:29:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 479 transitions. [2021-11-23 00:29:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:40,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:40,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:40,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:40,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:40,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:40,895 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 [2021-11-23 00:29:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:40,926 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:40,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:41,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:41,138 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:41,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 325 states and 480 transitions. [2021-11-23 00:29:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 480 transitions. [2021-11-23 00:29:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:41,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:41,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:41,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:41,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:41,581 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:41,582 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 [2021-11-23 00:29:41,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:41,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:41,680 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:41,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:41,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:41,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:41,932 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:41,933 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 [2021-11-23 00:29:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 326 states and 481 transitions. [2021-11-23 00:29:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 481 transitions. [2021-11-23 00:29:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:42,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:42,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:42,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:42,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:42,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:42,389 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 [2021-11-23 00:29:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:42,406 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:42,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:42,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:42,608 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:42,608 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 [2021-11-23 00:29:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 327 states and 482 transitions. [2021-11-23 00:29:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 482 transitions. [2021-11-23 00:29:42,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:42,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:42,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:43,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:43,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:43,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:43,049 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 [2021-11-23 00:29:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:43,064 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:43,064 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 [2021-11-23 00:29:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:43,106 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:43,106 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 [2021-11-23 00:29:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 328 states and 483 transitions. [2021-11-23 00:29:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 483 transitions. [2021-11-23 00:29:43,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:43,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:43,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:43,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:43,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:43,324 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:43,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:29:43,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:43,431 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:43,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:43,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:43,642 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:43,642 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 [2021-11-23 00:29:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 329 states and 484 transitions. [2021-11-23 00:29:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 484 transitions. [2021-11-23 00:29:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:43,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:43,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:43,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:43,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:43,838 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:43,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:43,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:43,934 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:43,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:44,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:44,144 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:44,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 330 states and 485 transitions. [2021-11-23 00:29:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 485 transitions. [2021-11-23 00:29:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:44,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:44,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:44,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:44,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:44,640 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 [2021-11-23 00:29:44,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:44,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:44,661 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:44,661 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 [2021-11-23 00:29:44,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:44,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:44,702 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:44,702 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 [2021-11-23 00:29:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 331 states and 486 transitions. [2021-11-23 00:29:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 486 transitions. [2021-11-23 00:29:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:45,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:45,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:45,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:45,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:45,135 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:45,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:45,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:45,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:45,246 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:45,246 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 [2021-11-23 00:29:45,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:45,505 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:45,505 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 332 states and 487 transitions. [2021-11-23 00:29:45,884 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 487 transitions. [2021-11-23 00:29:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:45,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:45,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:45,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:45,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:45,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:45,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:45,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:45,995 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:45,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:46,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:46,039 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:46,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 333 states and 488 transitions. [2021-11-23 00:29:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 488 transitions. [2021-11-23 00:29:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:46,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:46,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:46,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:46,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:46,489 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 [2021-11-23 00:29:46,492 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 [2021-11-23 00:29:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:46,506 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:46,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:46,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:46,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:46,546 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:46,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:46,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 334 states and 489 transitions. [2021-11-23 00:29:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 489 transitions. [2021-11-23 00:29:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:46,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:46,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:47,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:47,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:47,033 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:47,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:47,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:47,132 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:47,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:47,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:47,322 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:47,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 335 states and 490 transitions. [2021-11-23 00:29:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 490 transitions. [2021-11-23 00:29:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:48,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:48,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:48,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:48,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:48,611 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:48,611 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 [2021-11-23 00:29:48,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:48,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:48,705 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:48,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:48,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:48,751 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:48,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 336 states and 491 transitions. [2021-11-23 00:29:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 491 transitions. [2021-11-23 00:29:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:49,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:49,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:49,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:49,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:49,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:49,215 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 [2021-11-23 00:29:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:49,230 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:49,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:49,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:49,271 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:49,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 337 states and 492 transitions. [2021-11-23 00:29:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 492 transitions. [2021-11-23 00:29:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:49,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:49,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:49,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:49,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:49,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:49,744 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 [2021-11-23 00:29:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:49,758 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:49,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:49,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:50,001 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:50,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 338 states and 493 transitions. [2021-11-23 00:29:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 493 transitions. [2021-11-23 00:29:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:50,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:50,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:50,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:50,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:50,419 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 [2021-11-23 00:29:50,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:29:50,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:50,441 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:50,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:50,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:50,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:50,482 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:50,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 339 states and 494 transitions. [2021-11-23 00:29:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 494 transitions. [2021-11-23 00:29:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:50,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:50,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:50,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:50,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:50,980 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:50,980 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 [2021-11-23 00:29:50,992 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 [2021-11-23 00:29:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:51,089 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:51,090 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 [2021-11-23 00:29:51,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:51,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:51,357 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:51,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 340 states and 495 transitions. [2021-11-23 00:29:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 495 transitions. [2021-11-23 00:29:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:52,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:52,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:52,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:52,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:52,619 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:29:52,620 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 [2021-11-23 00:29:52,629 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 [2021-11-23 00:29:52,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:52,714 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:52,714 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 [2021-11-23 00:29:52,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:52,763 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:52,763 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 [2021-11-23 00:29:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 341 states and 496 transitions. [2021-11-23 00:29:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 496 transitions. [2021-11-23 00:29:53,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:53,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:53,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:53,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:53,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:53,227 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 [2021-11-23 00:29:53,230 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 [2021-11-23 00:29:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:53,245 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:29:53,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:29:53,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:29:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:29:53,463 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:29:53,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:29:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:53,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 342 states and 497 transitions. [2021-11-23 00:29:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 497 transitions. [2021-11-23 00:29:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:53,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:53,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:53,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:29:53,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:53,900 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:29:53,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:29:53,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:29:53,925 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:29:53,926 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 [2021-11-23 00:29:54,418 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:29:54,418 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 [2021-11-23 00:29:55,106 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:29:55,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:29:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 343 states and 498 transitions. [2021-11-23 00:29:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 498 transitions. [2021-11-23 00:29:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:55,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:55,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:55,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:29:55,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:55,280 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-23 00:31:30,607 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:31:30,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:30,717 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:31:30,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:31:31,917 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:31:31,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:31:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 438 states and 593 transitions. [2021-11-23 00:31:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 593 transitions. [2021-11-23 00:31:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:31,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:31,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:32,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:32,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:32,065 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:32,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:31:32,077 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 [2021-11-23 00:31:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:32,175 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:32,175 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 [2021-11-23 00:31:32,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:32,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:32,478 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:32,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 439 states and 594 transitions. [2021-11-23 00:31:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 594 transitions. [2021-11-23 00:31:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:32,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:32,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:33,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:31:33,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:33,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:33,062 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 [2021-11-23 00:31:33,082 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:31:33,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:33,797 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:31:33,798 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 [2021-11-23 00:31:34,916 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:31:34,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:31:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:34,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 440 states and 595 transitions. [2021-11-23 00:31:34,935 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 595 transitions. [2021-11-23 00:31:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:34,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:34,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:35,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:35,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:35,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:35,060 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 [2021-11-23 00:31:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:35,074 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:35,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:35,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:35,376 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:35,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 441 states and 596 transitions. [2021-11-23 00:31:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 596 transitions. [2021-11-23 00:31:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:35,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:35,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:35,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:35,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:35,608 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 [2021-11-23 00:31:35,614 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 [2021-11-23 00:31:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:35,627 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:35,627 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 [2021-11-23 00:31:35,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:35,856 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:35,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 442 states and 597 transitions. [2021-11-23 00:31:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 597 transitions. [2021-11-23 00:31:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:36,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:36,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:36,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:36,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:36,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:36,369 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 [2021-11-23 00:31:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:36,384 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:36,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:36,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:36,428 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:36,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 443 states and 598 transitions. [2021-11-23 00:31:36,838 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 598 transitions. [2021-11-23 00:31:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:36,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:36,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:36,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:36,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:36,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:36,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:31:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:36,998 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:36,998 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 [2021-11-23 00:31:37,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:37,303 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:37,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:37,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 444 states and 599 transitions. [2021-11-23 00:31:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 599 transitions. [2021-11-23 00:31:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:37,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:37,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:37,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:37,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:37,822 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 [2021-11-23 00:31:37,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:31:37,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:37,839 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:37,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:38,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:38,074 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:38,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 445 states and 600 transitions. [2021-11-23 00:31:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 600 transitions. [2021-11-23 00:31:38,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:38,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:38,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:38,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:38,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:38,680 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:38,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:31:38,689 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 [2021-11-23 00:31:38,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:38,788 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:38,788 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 [2021-11-23 00:31:39,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:39,122 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:39,122 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 [2021-11-23 00:31:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:40,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 446 states and 601 transitions. [2021-11-23 00:31:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 601 transitions. [2021-11-23 00:31:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:40,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:40,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:40,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:40,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:40,503 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:40,504 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 [2021-11-23 00:31:40,514 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 [2021-11-23 00:31:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:40,616 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:40,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:40,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:40,857 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:40,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 447 states and 602 transitions. [2021-11-23 00:31:41,299 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 602 transitions. [2021-11-23 00:31:41,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:41,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:41,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:41,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:41,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:41,413 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 [2021-11-23 00:31:41,419 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 [2021-11-23 00:31:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:41,433 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:41,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:41,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:41,686 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:41,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 448 states and 603 transitions. [2021-11-23 00:31:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 603 transitions. [2021-11-23 00:31:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:42,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:42,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:42,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:42,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:42,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:42,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:31:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:42,274 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:42,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:42,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:42,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:42,592 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:42,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 449 states and 604 transitions. [2021-11-23 00:31:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 604 transitions. [2021-11-23 00:31:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:42,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:42,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:42,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:42,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:42,832 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:42,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:31:42,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:42,942 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:42,942 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 [2021-11-23 00:31:42,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:42,987 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:42,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 450 states and 605 transitions. [2021-11-23 00:31:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 605 transitions. [2021-11-23 00:31:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:43,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:43,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:43,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:31:43,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:43,602 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:31:43,602 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 [2021-11-23 00:31:43,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:43,625 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 [2021-11-23 00:31:44,064 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:31:44,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:31:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 451 states and 606 transitions. [2021-11-23 00:31:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 606 transitions. [2021-11-23 00:31:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:44,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:44,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:44,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:31:44,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:44,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:44,895 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 [2021-11-23 00:31:44,912 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:31:44,913 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 [2021-11-23 00:31:45,620 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:31:45,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:31:46,878 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:31:46,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:31:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 452 states and 607 transitions. [2021-11-23 00:31:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 607 transitions. [2021-11-23 00:31:46,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:46,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:46,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:47,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:47,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:47,032 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:47,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:31:47,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:47,145 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:47,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:47,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:47,188 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:47,188 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 [2021-11-23 00:31:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 453 states and 608 transitions. [2021-11-23 00:31:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 608 transitions. [2021-11-23 00:31:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:47,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:47,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:47,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:47,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:47,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:47,810 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 [2021-11-23 00:31:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:47,825 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:47,825 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 [2021-11-23 00:31:47,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:47,869 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:47,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 454 states and 609 transitions. [2021-11-23 00:31:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 609 transitions. [2021-11-23 00:31:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:48,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:48,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:48,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:48,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:48,421 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 [2021-11-23 00:31:48,426 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 [2021-11-23 00:31:48,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:48,440 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:48,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:48,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:48,486 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:48,486 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 [2021-11-23 00:31:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 455 states and 610 transitions. [2021-11-23 00:31:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 610 transitions. [2021-11-23 00:31:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:49,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:49,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:49,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:49,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:49,832 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:49,832 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 [2021-11-23 00:31:49,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:49,943 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:49,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:50,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:50,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:50,252 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:50,252 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 [2021-11-23 00:31:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 456 states and 611 transitions. [2021-11-23 00:31:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 611 transitions. [2021-11-23 00:31:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:50,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:50,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:50,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:31:50,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:50,815 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 [2021-11-23 00:31:50,818 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 [2021-11-23 00:31:50,834 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:31:50,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:51,496 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:31:51,496 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 [2021-11-23 00:31:52,650 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:31:52,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:31:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 457 states and 612 transitions. [2021-11-23 00:31:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 612 transitions. [2021-11-23 00:31:52,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:52,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:52,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:52,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:52,820 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 [2021-11-23 00:31:52,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:52,835 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:52,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:52,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:52,880 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:52,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 458 states and 613 transitions. [2021-11-23 00:31:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 613 transitions. [2021-11-23 00:31:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:53,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:53,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:53,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:53,404 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:53,404 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 [2021-11-23 00:31:53,412 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 [2021-11-23 00:31:53,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:53,512 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:53,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:53,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:53,762 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:53,763 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 [2021-11-23 00:31:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 459 states and 614 transitions. [2021-11-23 00:31:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 614 transitions. [2021-11-23 00:31:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:55,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:55,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:55,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:55,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:55,958 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:55,959 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 [2021-11-23 00:31:55,966 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 [2021-11-23 00:31:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:56,071 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:56,071 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 [2021-11-23 00:31:56,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:56,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:56,381 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:56,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 460 states and 615 transitions. [2021-11-23 00:31:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 615 transitions. [2021-11-23 00:31:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:56,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:56,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:57,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:57,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:57,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:31:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:57,057 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:57,057 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 [2021-11-23 00:31:57,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:57,110 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:57,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 461 states and 616 transitions. [2021-11-23 00:31:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 616 transitions. [2021-11-23 00:31:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:57,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:57,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:57,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:57,678 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:57,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:31:57,687 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 [2021-11-23 00:31:57,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:57,791 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:57,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:58,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:31:58,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:58,111 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:31:58,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:31:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:58,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 462 states and 617 transitions. [2021-11-23 00:31:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 617 transitions. [2021-11-23 00:31:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:58,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:58,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:58,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:31:58,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:58,693 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 [2021-11-23 00:31:58,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:31:58,718 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:31:58,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:31:58,834 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:31:58,834 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 [2021-11-23 00:31:59,731 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:31:59,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:31:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 463 states and 618 transitions. [2021-11-23 00:31:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 618 transitions. [2021-11-23 00:31:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:59,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:59,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:59,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:31:59,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:59,884 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:31:59,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:31:59,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:31:59,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:31:59,998 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:31:59,998 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 [2021-11-23 00:32:00,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:00,324 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:00,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 464 states and 619 transitions. [2021-11-23 00:32:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 619 transitions. [2021-11-23 00:32:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:00,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:00,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:00,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:00,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:00,912 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 [2021-11-23 00:32:00,916 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 [2021-11-23 00:32:00,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:00,938 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:00,938 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 [2021-11-23 00:32:01,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:01,213 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:01,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 465 states and 620 transitions. [2021-11-23 00:32:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 620 transitions. [2021-11-23 00:32:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:01,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:01,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:01,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:01,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:01,717 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:01,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:01,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:01,830 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:01,830 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 [2021-11-23 00:32:02,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:02,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:02,082 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:02,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 466 states and 621 transitions. [2021-11-23 00:32:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 621 transitions. [2021-11-23 00:32:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:02,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:02,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:02,691 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:02,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:02,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:02,808 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:02,808 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 [2021-11-23 00:32:02,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:02,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:02,856 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:02,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:03,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 467 states and 622 transitions. [2021-11-23 00:32:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 622 transitions. [2021-11-23 00:32:03,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:03,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:03,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:03,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:03,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:03,432 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:03,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:03,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:03,546 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:03,547 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 [2021-11-23 00:32:03,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:03,871 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:03,872 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 [2021-11-23 00:32:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 468 states and 623 transitions. [2021-11-23 00:32:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 623 transitions. [2021-11-23 00:32:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:04,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:04,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:04,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:04,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:04,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:04,434 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 [2021-11-23 00:32:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:04,449 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:04,449 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 [2021-11-23 00:32:04,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:04,696 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:04,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:05,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 469 states and 624 transitions. [2021-11-23 00:32:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 624 transitions. [2021-11-23 00:32:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:05,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:05,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:05,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:05,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:05,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:05,293 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 [2021-11-23 00:32:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:05,308 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:05,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:05,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:05,621 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:05,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 470 states and 625 transitions. [2021-11-23 00:32:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 625 transitions. [2021-11-23 00:32:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:06,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:06,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:06,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:06,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:06,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:06,227 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 [2021-11-23 00:32:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:06,245 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:06,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:06,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:06,288 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:06,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 471 states and 626 transitions. [2021-11-23 00:32:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 626 transitions. [2021-11-23 00:32:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:06,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:06,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:06,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:06,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:06,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:06,843 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 [2021-11-23 00:32:06,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:06,857 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:06,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:07,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:07,098 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:07,098 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 [2021-11-23 00:32:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 472 states and 627 transitions. [2021-11-23 00:32:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 627 transitions. [2021-11-23 00:32:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:07,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:07,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:07,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:07,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:07,648 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:07,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:07,658 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 [2021-11-23 00:32:07,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:07,769 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:07,769 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 [2021-11-23 00:32:07,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:07,814 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:07,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:08,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 473 states and 628 transitions. [2021-11-23 00:32:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 628 transitions. [2021-11-23 00:32:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:08,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:08,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:08,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:08,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:08,419 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 [2021-11-23 00:32:08,426 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 [2021-11-23 00:32:08,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:08,440 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:08,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:08,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:08,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:08,680 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:08,680 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 [2021-11-23 00:32:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 474 states and 629 transitions. [2021-11-23 00:32:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 629 transitions. [2021-11-23 00:32:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:09,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:09,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:09,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:09,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:09,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:09,322 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 [2021-11-23 00:32:09,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:09,336 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:09,336 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 [2021-11-23 00:32:09,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:09,583 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:09,583 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 [2021-11-23 00:32:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 475 states and 630 transitions. [2021-11-23 00:32:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 630 transitions. [2021-11-23 00:32:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:09,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:09,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:09,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:09,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:09,866 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:09,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:09,875 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 [2021-11-23 00:32:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:09,979 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:09,979 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 [2021-11-23 00:32:10,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:10,026 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:10,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:11,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 476 states and 631 transitions. [2021-11-23 00:32:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 631 transitions. [2021-11-23 00:32:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:11,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:11,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:11,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:11,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:11,475 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 [2021-11-23 00:32:11,481 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 [2021-11-23 00:32:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:11,495 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:11,495 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 [2021-11-23 00:32:11,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:11,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:11,734 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:11,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 477 states and 632 transitions. [2021-11-23 00:32:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 632 transitions. [2021-11-23 00:32:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:12,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:12,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:12,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:12,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:12,286 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 [2021-11-23 00:32:12,293 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 [2021-11-23 00:32:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:12,306 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:12,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:12,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:12,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:12,550 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:12,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:13,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 478 states and 633 transitions. [2021-11-23 00:32:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 633 transitions. [2021-11-23 00:32:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:13,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:13,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:13,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:13,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:13,917 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 [2021-11-23 00:32:13,921 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 [2021-11-23 00:32:13,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:13,933 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:13,933 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 [2021-11-23 00:32:13,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:13,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:13,987 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:13,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 479 states and 634 transitions. [2021-11-23 00:32:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 634 transitions. [2021-11-23 00:32:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:14,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:14,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:14,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:32:14,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:14,293 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:32:14,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:14,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:14,319 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:32:14,319 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 [2021-11-23 00:32:14,970 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:32:14,971 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 [2021-11-23 00:32:15,529 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:32:15,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:32:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 480 states and 635 transitions. [2021-11-23 00:32:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 635 transitions. [2021-11-23 00:32:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:15,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:15,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:15,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:32:15,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:15,686 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:32:15,687 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 [2021-11-23 00:32:15,698 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 [2021-11-23 00:32:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:15,710 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 [2021-11-23 00:32:15,771 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:32:15,771 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:32:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 481 states and 636 transitions. [2021-11-23 00:32:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 636 transitions. [2021-11-23 00:32:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:16,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:16,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:16,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:16,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:16,648 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:16,649 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 [2021-11-23 00:32:16,658 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 [2021-11-23 00:32:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:16,766 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:16,766 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 [2021-11-23 00:32:17,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:17,098 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:17,098 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 [2021-11-23 00:32:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 482 states and 637 transitions. [2021-11-23 00:32:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 637 transitions. [2021-11-23 00:32:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:17,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:17,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:17,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:17,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:17,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:17,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:32:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:17,759 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:17,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:18,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:18,077 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:18,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 483 states and 638 transitions. [2021-11-23 00:32:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 638 transitions. [2021-11-23 00:32:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:18,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:18,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:18,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:18,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:18,704 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 [2021-11-23 00:32:18,708 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 [2021-11-23 00:32:18,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:18,727 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:18,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:18,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:18,973 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:18,974 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 [2021-11-23 00:32:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 484 states and 639 transitions. [2021-11-23 00:32:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 639 transitions. [2021-11-23 00:32:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:20,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:20,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:20,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:20,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:20,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:20,321 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 [2021-11-23 00:32:20,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:20,334 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:20,335 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 [2021-11-23 00:32:20,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:20,378 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:20,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 485 states and 640 transitions. [2021-11-23 00:32:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 640 transitions. [2021-11-23 00:32:20,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:20,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:20,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:20,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:20,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:20,669 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 [2021-11-23 00:32:20,672 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 [2021-11-23 00:32:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:20,686 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:20,686 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 [2021-11-23 00:32:20,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:20,742 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:20,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 486 states and 641 transitions. [2021-11-23 00:32:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 641 transitions. [2021-11-23 00:32:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:23,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:23,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:23,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:23,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:23,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:23,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:32:23,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:23,424 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:23,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:23,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:23,469 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:23,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 487 states and 642 transitions. [2021-11-23 00:32:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 642 transitions. [2021-11-23 00:32:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:23,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:23,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:24,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:24,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:24,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:24,029 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 [2021-11-23 00:32:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:24,045 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:24,046 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 [2021-11-23 00:32:24,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:24,384 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:24,384 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 [2021-11-23 00:32:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:24,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 488 states and 643 transitions. [2021-11-23 00:32:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 643 transitions. [2021-11-23 00:32:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:24,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:24,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:25,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:25,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:25,071 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:25,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:25,083 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 [2021-11-23 00:32:25,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:25,189 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:25,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:25,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:25,522 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:25,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 489 states and 644 transitions. [2021-11-23 00:32:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 644 transitions. [2021-11-23 00:32:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:26,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:26,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:26,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:26,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:26,979 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:26,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:26,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:27,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:27,100 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:27,100 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 [2021-11-23 00:32:27,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:27,151 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:27,151 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 [2021-11-23 00:32:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 490 states and 645 transitions. [2021-11-23 00:32:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 645 transitions. [2021-11-23 00:32:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:27,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:27,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:27,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:27,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:27,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:27,799 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 [2021-11-23 00:32:27,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:27,812 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:27,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:28,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:28,063 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:28,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 491 states and 646 transitions. [2021-11-23 00:32:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 646 transitions. [2021-11-23 00:32:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:28,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:28,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:28,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:32:28,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:28,709 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:32:28,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:32:28,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:28,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:28,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:32:29,161 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:32:29,161 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:32:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 492 states and 647 transitions. [2021-11-23 00:32:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 647 transitions. [2021-11-23 00:32:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:29,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:29,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:30,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:30,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:30,060 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:30,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:30,072 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 [2021-11-23 00:32:30,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:30,183 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:30,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:30,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:30,519 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:30,519 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 [2021-11-23 00:32:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:30,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 493 states and 648 transitions. [2021-11-23 00:32:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 648 transitions. [2021-11-23 00:32:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:30,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:30,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:30,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:32:30,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:30,784 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 [2021-11-23 00:32:30,791 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 [2021-11-23 00:32:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:30,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:32:30,863 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:32:30,863 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:32:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 494 states and 649 transitions. [2021-11-23 00:32:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 649 transitions. [2021-11-23 00:32:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:31,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:31,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:31,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:31,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:31,264 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:31,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:31,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:31,377 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:31,377 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 [2021-11-23 00:32:31,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:31,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:31,715 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:31,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:32,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 495 states and 650 transitions. [2021-11-23 00:32:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 650 transitions. [2021-11-23 00:32:32,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:32,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:32,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:32,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:32,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:32,312 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 [2021-11-23 00:32:32,319 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 [2021-11-23 00:32:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:32,332 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:32,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:32,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:32,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:32,665 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:32,665 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 [2021-11-23 00:32:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 496 states and 651 transitions. [2021-11-23 00:32:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 651 transitions. [2021-11-23 00:32:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:33,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:33,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:34,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:34,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:34,105 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:34,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:34,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:34,224 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:34,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:34,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:34,266 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:34,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 497 states and 652 transitions. [2021-11-23 00:32:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 652 transitions. [2021-11-23 00:32:34,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:34,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:34,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:34,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:34,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:34,828 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:34,828 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 [2021-11-23 00:32:34,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:34,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:34,950 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:34,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:34,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:34,996 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:34,996 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 [2021-11-23 00:32:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 498 states and 653 transitions. [2021-11-23 00:32:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 653 transitions. [2021-11-23 00:32:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:35,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:35,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:35,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:35,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:35,583 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:35,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:35,591 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 [2021-11-23 00:32:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:35,706 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:35,707 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 [2021-11-23 00:32:35,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:35,754 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:35,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 499 states and 654 transitions. [2021-11-23 00:32:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 654 transitions. [2021-11-23 00:32:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:36,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:36,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:36,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:36,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:36,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:36,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:32:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:36,421 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:36,421 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 [2021-11-23 00:32:36,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:36,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:36,755 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:36,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 500 states and 655 transitions. [2021-11-23 00:32:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 655 transitions. [2021-11-23 00:32:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:37,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:37,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:37,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:37,425 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:37,425 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 [2021-11-23 00:32:37,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:37,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:37,541 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:37,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:37,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:37,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:37,873 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:37,874 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 501 states and 656 transitions. [2021-11-23 00:32:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 656 transitions. [2021-11-23 00:32:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:38,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:38,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:38,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:38,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:38,437 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 [2021-11-23 00:32:38,442 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 [2021-11-23 00:32:38,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:38,456 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:38,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:38,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:38,502 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:38,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 502 states and 657 transitions. [2021-11-23 00:32:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 657 transitions. [2021-11-23 00:32:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:38,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:38,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:39,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:32:39,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:39,156 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:32:39,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:39,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:39,182 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:32:39,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:39,889 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:32:39,889 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 [2021-11-23 00:32:41,110 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:32:41,110 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 86 treesize of output 40 [2021-11-23 00:32:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 503 states and 658 transitions. [2021-11-23 00:32:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 658 transitions. [2021-11-23 00:32:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:41,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:41,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:41,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:41,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:41,275 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:41,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:41,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:41,395 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:41,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:41,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:41,728 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:41,728 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 [2021-11-23 00:32:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:42,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 504 states and 659 transitions. [2021-11-23 00:32:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 659 transitions. [2021-11-23 00:32:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:42,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:42,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:43,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:43,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:43,132 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 [2021-11-23 00:32:43,138 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 [2021-11-23 00:32:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:43,152 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:43,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:43,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:43,511 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:43,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 505 states and 660 transitions. [2021-11-23 00:32:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 660 transitions. [2021-11-23 00:32:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:43,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:43,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:44,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:32:44,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:44,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:44,089 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 [2021-11-23 00:32:44,109 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:32:44,109 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 [2021-11-23 00:32:44,239 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:32:44,239 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 [2021-11-23 00:32:45,493 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:32:45,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:32:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 506 states and 661 transitions. [2021-11-23 00:32:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 661 transitions. [2021-11-23 00:32:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:45,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:45,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:45,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:45,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:45,661 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:45,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:45,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:45,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:45,779 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:45,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:45,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:45,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:45,824 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:45,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 507 states and 662 transitions. [2021-11-23 00:32:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 662 transitions. [2021-11-23 00:32:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:45,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:45,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:46,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:46,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:46,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:46,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:32:46,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:46,108 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:46,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:46,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:46,155 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:46,155 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 [2021-11-23 00:32:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 508 states and 663 transitions. [2021-11-23 00:32:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 663 transitions. [2021-11-23 00:32:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:46,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:46,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:46,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:46,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:46,441 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 [2021-11-23 00:32:46,447 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 [2021-11-23 00:32:46,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:46,459 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:46,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:46,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:46,711 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:46,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 509 states and 664 transitions. [2021-11-23 00:32:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 664 transitions. [2021-11-23 00:32:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:47,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:47,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:47,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:32:47,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:47,347 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 [2021-11-23 00:32:47,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:32:47,367 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:32:47,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:48,070 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:32:48,071 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 [2021-11-23 00:32:49,431 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:32:49,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:32:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 510 states and 665 transitions. [2021-11-23 00:32:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 665 transitions. [2021-11-23 00:32:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:49,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:49,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:49,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:32:49,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:49,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:49,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:32:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:49,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:32:49,993 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:32:49,993 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:32:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 511 states and 666 transitions. [2021-11-23 00:32:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 666 transitions. [2021-11-23 00:32:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:50,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:50,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:50,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:50,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:50,800 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 [2021-11-23 00:32:50,803 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 [2021-11-23 00:32:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:50,818 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:50,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:50,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:50,862 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:50,863 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 [2021-11-23 00:32:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 512 states and 667 transitions. [2021-11-23 00:32:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 667 transitions. [2021-11-23 00:32:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:51,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:51,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:51,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:32:51,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:51,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:51,545 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 [2021-11-23 00:32:51,567 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:32:51,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:52,287 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:32:52,287 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 [2021-11-23 00:32:53,297 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:32:53,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:32:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:53,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 513 states and 668 transitions. [2021-11-23 00:32:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 668 transitions. [2021-11-23 00:32:53,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:53,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:53,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:53,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:32:53,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:53,458 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 [2021-11-23 00:32:53,462 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 [2021-11-23 00:32:53,478 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:32:53,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:54,203 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:32:54,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:32:55,598 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:32:55,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:32:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 514 states and 669 transitions. [2021-11-23 00:32:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 669 transitions. [2021-11-23 00:32:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:55,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:55,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:55,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:55,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:55,765 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:32:55,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:32:55,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:55,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:55,882 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:55,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:55,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:55,929 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:55,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 515 states and 670 transitions. [2021-11-23 00:32:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 670 transitions. [2021-11-23 00:32:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:56,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:56,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:56,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:56,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:56,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:56,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:32:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:56,495 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:56,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:56,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:56,543 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:56,543 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 [2021-11-23 00:32:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 516 states and 671 transitions. [2021-11-23 00:32:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 671 transitions. [2021-11-23 00:32:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:57,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:57,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:57,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:32:57,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:57,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:57,190 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 [2021-11-23 00:32:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:57,207 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:32:57,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:57,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:32:57,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:32:57,250 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:32:57,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:32:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:58,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 517 states and 672 transitions. [2021-11-23 00:32:58,469 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 672 transitions. [2021-11-23 00:32:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:58,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:58,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:58,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:32:58,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:58,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:32:58,622 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 [2021-11-23 00:32:58,639 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:32:58,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:32:59,365 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:32:59,365 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 [2021-11-23 00:32:59,939 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:32:59,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:32:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 518 states and 673 transitions. [2021-11-23 00:32:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 673 transitions. [2021-11-23 00:32:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:32:59,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:59,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:00,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:00,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:00,096 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 [2021-11-23 00:33:00,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:00,122 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:00,122 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 [2021-11-23 00:33:00,268 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:00,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:33:01,287 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:01,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 519 states and 674 transitions. [2021-11-23 00:33:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 674 transitions. [2021-11-23 00:33:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:01,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:01,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:01,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:01,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:01,443 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:01,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:01,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:01,482 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:01,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:01,623 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:01,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:33:02,651 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:02,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 520 states and 675 transitions. [2021-11-23 00:33:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 675 transitions. [2021-11-23 00:33:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:02,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:02,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:02,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:33:02,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:02,874 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:02,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:02,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:02,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:33:03,353 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:33:03,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:33:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 521 states and 676 transitions. [2021-11-23 00:33:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 676 transitions. [2021-11-23 00:33:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:04,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:04,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:04,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:04,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:04,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:04,283 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 [2021-11-23 00:33:04,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:04,295 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:04,296 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 [2021-11-23 00:33:04,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:04,340 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:04,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 522 states and 677 transitions. [2021-11-23 00:33:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 677 transitions. [2021-11-23 00:33:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:04,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:04,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:04,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:04,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:04,978 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 [2021-11-23 00:33:04,983 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 [2021-11-23 00:33:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:04,999 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:04,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:05,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:05,263 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:05,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 523 states and 678 transitions. [2021-11-23 00:33:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 678 transitions. [2021-11-23 00:33:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:05,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:05,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:05,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:05,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:05,873 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:05,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:05,880 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 [2021-11-23 00:33:05,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:05,996 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:05,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:06,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:06,039 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:06,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:06,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 524 states and 679 transitions. [2021-11-23 00:33:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 679 transitions. [2021-11-23 00:33:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:06,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:06,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:06,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:06,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:06,633 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:06,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:06,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:06,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:06,760 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:06,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:07,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:07,036 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:07,036 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 [2021-11-23 00:33:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 525 states and 680 transitions. [2021-11-23 00:33:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 680 transitions. [2021-11-23 00:33:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:07,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:07,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:07,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:07,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:07,771 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:07,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:07,780 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 [2021-11-23 00:33:07,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:07,891 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:07,891 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 [2021-11-23 00:33:07,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:07,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:07,937 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:07,937 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 [2021-11-23 00:33:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:08,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 526 states and 681 transitions. [2021-11-23 00:33:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 681 transitions. [2021-11-23 00:33:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:08,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:08,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:08,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:08,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:08,168 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 [2021-11-23 00:33:08,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:08,195 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:08,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:08,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:08,463 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:08,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 527 states and 682 transitions. [2021-11-23 00:33:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 682 transitions. [2021-11-23 00:33:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:08,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:08,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:09,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:09,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:09,029 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 [2021-11-23 00:33:09,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:09,050 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:09,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:09,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:09,102 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:09,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:09,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 528 states and 683 transitions. [2021-11-23 00:33:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 683 transitions. [2021-11-23 00:33:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:09,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:09,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:09,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:09,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:09,705 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:09,705 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 [2021-11-23 00:33:09,714 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 [2021-11-23 00:33:09,730 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:09,730 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 [2021-11-23 00:33:10,493 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:10,493 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 [2021-11-23 00:33:11,949 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:11,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 529 states and 684 transitions. [2021-11-23 00:33:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 684 transitions. [2021-11-23 00:33:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:11,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:11,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:12,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:12,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:12,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:12,159 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 [2021-11-23 00:33:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:12,174 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:12,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:12,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:12,220 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:12,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:12,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 530 states and 685 transitions. [2021-11-23 00:33:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 685 transitions. [2021-11-23 00:33:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:12,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:12,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:12,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:12,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:12,899 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:12,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:12,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:13,026 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:13,026 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 [2021-11-23 00:33:13,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:13,384 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:13,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:14,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:14,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 531 states and 686 transitions. [2021-11-23 00:33:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 686 transitions. [2021-11-23 00:33:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:14,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:14,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:14,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:14,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:14,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:14,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:14,844 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:14,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:15,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:15,204 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:15,204 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 [2021-11-23 00:33:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 532 states and 687 transitions. [2021-11-23 00:33:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 687 transitions. [2021-11-23 00:33:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:15,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:15,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:15,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:15,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:15,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:15,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:15,482 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:15,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:16,247 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:16,247 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 [2021-11-23 00:33:17,701 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:17,701 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 86 treesize of output 40 [2021-11-23 00:33:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 533 states and 688 transitions. [2021-11-23 00:33:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 688 transitions. [2021-11-23 00:33:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:17,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:17,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:17,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:17,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:17,859 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 [2021-11-23 00:33:17,866 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 [2021-11-23 00:33:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:17,880 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:17,881 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 [2021-11-23 00:33:18,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:18,146 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:18,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 534 states and 689 transitions. [2021-11-23 00:33:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 689 transitions. [2021-11-23 00:33:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:18,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:18,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:18,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:18,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:18,763 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:18,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:18,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:18,891 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:18,891 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 [2021-11-23 00:33:19,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:19,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:19,245 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:19,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 535 states and 690 transitions. [2021-11-23 00:33:19,793 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 690 transitions. [2021-11-23 00:33:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:19,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:19,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:19,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:19,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:19,928 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 [2021-11-23 00:33:19,935 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 [2021-11-23 00:33:19,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:19,949 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:19,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:19,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:19,996 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:19,996 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 [2021-11-23 00:33:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 536 states and 691 transitions. [2021-11-23 00:33:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 691 transitions. [2021-11-23 00:33:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:20,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:20,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:20,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:20,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:20,619 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:20,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:20,628 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 [2021-11-23 00:33:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:20,745 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:20,745 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 [2021-11-23 00:33:20,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:20,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:20,789 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:20,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 537 states and 692 transitions. [2021-11-23 00:33:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 692 transitions. [2021-11-23 00:33:21,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:21,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:21,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:21,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:21,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:21,413 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 [2021-11-23 00:33:21,419 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 [2021-11-23 00:33:21,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:21,433 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:21,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:21,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:21,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:21,483 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:21,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 538 states and 693 transitions. [2021-11-23 00:33:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 693 transitions. [2021-11-23 00:33:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:22,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:22,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:22,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:22,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:22,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:22,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:22,208 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:22,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:22,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:22,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:22,569 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:22,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 539 states and 694 transitions. [2021-11-23 00:33:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 694 transitions. [2021-11-23 00:33:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:23,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:23,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:24,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:24,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:24,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:24,033 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 [2021-11-23 00:33:24,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:24,055 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:24,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:24,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:24,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:24,321 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:24,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 540 states and 695 transitions. [2021-11-23 00:33:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 695 transitions. [2021-11-23 00:33:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:24,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:24,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:24,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:24,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:24,980 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 [2021-11-23 00:33:24,983 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 [2021-11-23 00:33:25,006 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:25,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:25,136 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:25,136 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 [2021-11-23 00:33:26,606 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:26,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:26,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 541 states and 696 transitions. [2021-11-23 00:33:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 696 transitions. [2021-11-23 00:33:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:26,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:26,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:26,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:26,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:26,765 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 [2021-11-23 00:33:26,769 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 [2021-11-23 00:33:26,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:26,784 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:26,784 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 [2021-11-23 00:33:26,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:26,830 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:26,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:28,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 542 states and 697 transitions. [2021-11-23 00:33:28,060 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 697 transitions. [2021-11-23 00:33:28,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:28,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:28,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:28,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:28,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:28,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:28,196 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 [2021-11-23 00:33:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:28,211 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:28,211 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 [2021-11-23 00:33:28,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:28,486 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:28,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 543 states and 698 transitions. [2021-11-23 00:33:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 698 transitions. [2021-11-23 00:33:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:28,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:28,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:28,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:33:28,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:28,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:28,732 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 [2021-11-23 00:33:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:28,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:33:29,170 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:33:29,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:33:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 544 states and 699 transitions. [2021-11-23 00:33:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 699 transitions. [2021-11-23 00:33:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:29,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:29,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:30,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:30,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:30,029 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:30,030 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 [2021-11-23 00:33:30,038 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 [2021-11-23 00:33:30,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:30,153 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:30,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:30,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:30,424 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:30,424 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 [2021-11-23 00:33:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 545 states and 700 transitions. [2021-11-23 00:33:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 700 transitions. [2021-11-23 00:33:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:30,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:30,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:31,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:31,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:31,024 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 [2021-11-23 00:33:31,028 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 [2021-11-23 00:33:31,051 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:31,051 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 [2021-11-23 00:33:31,845 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:31,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:33:33,190 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:33,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 546 states and 701 transitions. [2021-11-23 00:33:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 701 transitions. [2021-11-23 00:33:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:33,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:33,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:33,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:33,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:33,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:33,385 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 [2021-11-23 00:33:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:33,402 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:33,403 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 [2021-11-23 00:33:33,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:33,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:33,677 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:33,677 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 [2021-11-23 00:33:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 547 states and 702 transitions. [2021-11-23 00:33:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 702 transitions. [2021-11-23 00:33:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:33,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:33,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:33,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:33,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:33,951 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:33,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:33,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:34,089 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:34,089 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 [2021-11-23 00:33:34,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:34,148 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:34,148 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 [2021-11-23 00:33:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 548 states and 703 transitions. [2021-11-23 00:33:34,694 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 703 transitions. [2021-11-23 00:33:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:34,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:34,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:34,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:34,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:34,876 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:34,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:33:34,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:34,906 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:34,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:35,699 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:35,700 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 [2021-11-23 00:33:36,771 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:36,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 549 states and 704 transitions. [2021-11-23 00:33:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 704 transitions. [2021-11-23 00:33:36,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:36,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:36,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:36,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:36,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:36,944 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:36,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:36,952 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 [2021-11-23 00:33:37,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:37,066 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:37,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:37,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:37,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:37,436 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:37,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 550 states and 705 transitions. [2021-11-23 00:33:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 705 transitions. [2021-11-23 00:33:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:37,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:37,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:38,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:38,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:38,011 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 [2021-11-23 00:33:38,016 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 [2021-11-23 00:33:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:38,030 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:38,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:38,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:38,076 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:38,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 551 states and 706 transitions. [2021-11-23 00:33:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 706 transitions. [2021-11-23 00:33:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:38,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:38,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:38,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:38,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:38,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:38,678 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 [2021-11-23 00:33:38,702 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:38,702 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 [2021-11-23 00:33:39,480 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:39,480 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 [2021-11-23 00:33:40,575 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:40,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 552 states and 707 transitions. [2021-11-23 00:33:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 707 transitions. [2021-11-23 00:33:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:40,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:40,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:40,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:40,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:40,799 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:40,799 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 [2021-11-23 00:33:40,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:40,935 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:40,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:41,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:41,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:41,300 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:41,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 553 states and 708 transitions. [2021-11-23 00:33:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 708 transitions. [2021-11-23 00:33:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:41,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:41,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:41,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:41,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:41,965 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:41,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:41,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:42,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:42,102 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:42,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:42,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:42,477 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:42,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 554 states and 709 transitions. [2021-11-23 00:33:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 709 transitions. [2021-11-23 00:33:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:43,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:43,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:43,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:43,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:43,993 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:43,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:33:44,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:44,118 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:44,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:44,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:44,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:44,173 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:44,173 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 [2021-11-23 00:33:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 555 states and 710 transitions. [2021-11-23 00:33:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 710 transitions. [2021-11-23 00:33:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:45,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:45,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:45,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:45,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:45,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:45,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:45,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:45,574 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:45,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:45,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:45,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:45,944 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:45,944 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 [2021-11-23 00:33:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:46,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 556 states and 711 transitions. [2021-11-23 00:33:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 711 transitions. [2021-11-23 00:33:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:46,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:46,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:46,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:46,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:46,693 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:46,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:33:46,704 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 [2021-11-23 00:33:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:46,819 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:46,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:46,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:46,862 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:46,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 557 states and 712 transitions. [2021-11-23 00:33:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 712 transitions. [2021-11-23 00:33:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:46,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:46,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:47,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:47,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:47,150 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 [2021-11-23 00:33:47,153 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 [2021-11-23 00:33:47,187 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:47,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:47,333 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:47,333 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 [2021-11-23 00:33:48,671 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:48,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 558 states and 713 transitions. [2021-11-23 00:33:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 713 transitions. [2021-11-23 00:33:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:48,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:48,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:48,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:48,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:48,888 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:48,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:48,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:49,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:49,020 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:49,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:49,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:49,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:49,308 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:49,309 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 559 states and 714 transitions. [2021-11-23 00:33:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 714 transitions. [2021-11-23 00:33:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:49,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:49,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:49,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:49,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:49,928 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:49,928 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 23 [2021-11-23 00:33:49,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:49,957 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:49,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:50,126 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:50,127 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 [2021-11-23 00:33:51,703 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:51,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 560 states and 715 transitions. [2021-11-23 00:33:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 715 transitions. [2021-11-23 00:33:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:51,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:51,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:51,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:51,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:51,893 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:51,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:51,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:51,924 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:51,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:52,699 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:52,700 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 [2021-11-23 00:33:54,078 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:54,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 561 states and 716 transitions. [2021-11-23 00:33:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 716 transitions. [2021-11-23 00:33:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:54,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:54,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:54,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:54,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:54,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:54,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:33:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:54,246 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:54,246 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 [2021-11-23 00:33:54,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:54,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:54,523 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:54,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 562 states and 717 transitions. [2021-11-23 00:33:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 717 transitions. [2021-11-23 00:33:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:55,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:55,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:55,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:55,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:55,212 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:33:55,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:33:55,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:55,336 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:55,336 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 [2021-11-23 00:33:55,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:55,716 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:55,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 563 states and 718 transitions. [2021-11-23 00:33:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 718 transitions. [2021-11-23 00:33:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:56,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:56,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:56,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:33:56,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:56,384 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 [2021-11-23 00:33:56,388 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 [2021-11-23 00:33:56,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:56,403 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:33:56,403 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 [2021-11-23 00:33:56,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:33:56,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:33:56,447 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:33:56,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:33:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 564 states and 719 transitions. [2021-11-23 00:33:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 719 transitions. [2021-11-23 00:33:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:56,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:56,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:57,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:57,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:57,045 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:57,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:57,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:33:57,075 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:57,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:57,209 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:57,209 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 [2021-11-23 00:33:58,381 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:33:58,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:33:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 565 states and 720 transitions. [2021-11-23 00:33:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 720 transitions. [2021-11-23 00:33:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:33:58,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:33:58,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:58,570 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:33:58,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:33:58,581 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 [2021-11-23 00:33:58,597 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:33:58,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:33:59,442 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:33:59,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:34:00,554 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:00,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 566 states and 721 transitions. [2021-11-23 00:34:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 721 transitions. [2021-11-23 00:34:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:00,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:00,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:00,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:00,740 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 [2021-11-23 00:34:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:00,754 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:00,755 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 [2021-11-23 00:34:00,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:00,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:00,802 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:00,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 567 states and 722 transitions. [2021-11-23 00:34:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 722 transitions. [2021-11-23 00:34:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:01,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:01,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:01,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:01,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:01,467 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:01,467 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 [2021-11-23 00:34:01,475 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 [2021-11-23 00:34:01,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:01,597 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:01,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:01,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:01,648 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:01,648 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 [2021-11-23 00:34:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:02,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 568 states and 723 transitions. [2021-11-23 00:34:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 723 transitions. [2021-11-23 00:34:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:02,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:02,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:02,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:34:02,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:02,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:02,364 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 [2021-11-23 00:34:02,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:02,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:34:02,879 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:34:02,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:34:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:03,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 569 states and 724 transitions. [2021-11-23 00:34:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 724 transitions. [2021-11-23 00:34:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:03,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:03,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:03,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:03,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:03,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:03,879 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 [2021-11-23 00:34:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:03,897 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:03,897 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 [2021-11-23 00:34:04,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:04,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:04,277 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:04,277 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 [2021-11-23 00:34:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:04,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 570 states and 725 transitions. [2021-11-23 00:34:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 725 transitions. [2021-11-23 00:34:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:04,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:04,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:04,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:04,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:04,996 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:04,996 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 23 [2021-11-23 00:34:05,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:05,020 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:05,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:05,858 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:05,858 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 [2021-11-23 00:34:06,944 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:06,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 571 states and 726 transitions. [2021-11-23 00:34:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 726 transitions. [2021-11-23 00:34:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:06,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:06,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:07,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:07,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:07,165 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 [2021-11-23 00:34:07,168 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 [2021-11-23 00:34:07,186 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:07,186 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 [2021-11-23 00:34:07,979 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:07,979 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 [2021-11-23 00:34:09,081 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:09,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 572 states and 727 transitions. [2021-11-23 00:34:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 727 transitions. [2021-11-23 00:34:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:09,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:09,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:09,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:09,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:09,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:09,251 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 [2021-11-23 00:34:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:09,265 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:09,266 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 [2021-11-23 00:34:09,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:09,644 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:09,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 573 states and 728 transitions. [2021-11-23 00:34:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 728 transitions. [2021-11-23 00:34:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:10,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:10,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:10,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:10,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:10,284 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:10,284 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 [2021-11-23 00:34:10,293 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 [2021-11-23 00:34:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:10,422 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:10,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:10,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:10,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:10,716 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:10,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 574 states and 729 transitions. [2021-11-23 00:34:11,271 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 729 transitions. [2021-11-23 00:34:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:11,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:11,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:11,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:11,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:11,413 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 [2021-11-23 00:34:11,418 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 [2021-11-23 00:34:11,440 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:11,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:12,263 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:12,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:34:13,667 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:13,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 575 states and 730 transitions. [2021-11-23 00:34:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 730 transitions. [2021-11-23 00:34:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:13,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:13,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:13,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:13,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:13,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:13,857 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 [2021-11-23 00:34:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:13,874 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:13,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:13,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:13,922 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:13,922 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 [2021-11-23 00:34:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 576 states and 731 transitions. [2021-11-23 00:34:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 731 transitions. [2021-11-23 00:34:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:15,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:15,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:15,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:15,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:15,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:15,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:34:15,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:15,372 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:15,372 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 [2021-11-23 00:34:15,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:15,754 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:15,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 577 states and 732 transitions. [2021-11-23 00:34:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 732 transitions. [2021-11-23 00:34:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:16,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:16,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:16,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:16,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:16,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:16,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:34:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:16,447 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:16,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:16,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:16,493 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:16,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 578 states and 733 transitions. [2021-11-23 00:34:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 733 transitions. [2021-11-23 00:34:16,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:16,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:16,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:17,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:17,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:17,158 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:17,158 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 [2021-11-23 00:34:17,168 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 [2021-11-23 00:34:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:17,292 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:17,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:17,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:17,578 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:17,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 579 states and 734 transitions. [2021-11-23 00:34:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 734 transitions. [2021-11-23 00:34:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:17,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:17,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:17,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:17,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:17,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:17,845 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 [2021-11-23 00:34:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:17,862 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:17,862 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 [2021-11-23 00:34:18,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:18,227 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:18,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 580 states and 735 transitions. [2021-11-23 00:34:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 735 transitions. [2021-11-23 00:34:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:18,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:18,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:18,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:18,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:18,519 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:18,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:18,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:18,655 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:18,655 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 [2021-11-23 00:34:19,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:19,049 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:19,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:20,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:20,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 581 states and 736 transitions. [2021-11-23 00:34:20,449 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 736 transitions. [2021-11-23 00:34:20,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:20,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:20,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:20,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:20,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:20,614 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:20,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:20,624 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 [2021-11-23 00:34:20,639 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:20,640 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 [2021-11-23 00:34:21,546 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:21,546 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 [2021-11-23 00:34:23,264 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:23,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 582 states and 737 transitions. [2021-11-23 00:34:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 737 transitions. [2021-11-23 00:34:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:23,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:23,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:23,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:34:23,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:23,426 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:23,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:23,437 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 [2021-11-23 00:34:23,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:23,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:34:23,510 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:34:23,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:34:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 583 states and 738 transitions. [2021-11-23 00:34:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 738 transitions. [2021-11-23 00:34:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:24,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:24,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:24,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:24,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:24,454 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:24,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:34:24,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:24,481 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:24,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:25,368 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:25,368 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 [2021-11-23 00:34:26,076 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:26,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 584 states and 739 transitions. [2021-11-23 00:34:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 739 transitions. [2021-11-23 00:34:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:26,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:26,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:26,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:26,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:26,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:26,291 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 [2021-11-23 00:34:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:26,307 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:26,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:26,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:26,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:26,621 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:26,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 585 states and 740 transitions. [2021-11-23 00:34:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 740 transitions. [2021-11-23 00:34:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:27,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:27,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:27,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:27,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:27,344 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:27,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:27,353 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 [2021-11-23 00:34:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:27,481 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:27,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:27,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:27,903 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:27,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 586 states and 741 transitions. [2021-11-23 00:34:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 741 transitions. [2021-11-23 00:34:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:29,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:29,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:29,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:29,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:29,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:29,429 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 [2021-11-23 00:34:29,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:29,444 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:29,444 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 [2021-11-23 00:34:29,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:29,754 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:29,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 587 states and 742 transitions. [2021-11-23 00:34:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 742 transitions. [2021-11-23 00:34:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:30,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:30,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:30,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:30,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:30,515 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:30,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:30,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:30,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:30,651 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:30,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:31,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:31,061 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:31,061 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 [2021-11-23 00:34:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 588 states and 743 transitions. [2021-11-23 00:34:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 743 transitions. [2021-11-23 00:34:31,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:31,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:31,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:31,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:31,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:31,806 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:31,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:31,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:31,839 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:31,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:32,778 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:32,779 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 [2021-11-23 00:34:34,520 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:34,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 589 states and 744 transitions. [2021-11-23 00:34:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 744 transitions. [2021-11-23 00:34:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:34,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:34,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:34,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:34,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:34,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:34,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:34:34,768 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:34,768 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 [2021-11-23 00:34:35,682 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:35,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:34:36,905 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:36,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 590 states and 745 transitions. [2021-11-23 00:34:36,927 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 745 transitions. [2021-11-23 00:34:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:36,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:36,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:37,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:37,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:37,125 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:37,125 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 [2021-11-23 00:34:37,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:37,266 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:37,266 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 [2021-11-23 00:34:37,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:37,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:37,582 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:37,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 591 states and 746 transitions. [2021-11-23 00:34:38,187 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 746 transitions. [2021-11-23 00:34:38,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:38,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:38,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:38,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:38,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:38,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:38,359 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 [2021-11-23 00:34:38,384 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:38,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:38,568 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:38,568 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 [2021-11-23 00:34:39,284 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:39,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 592 states and 747 transitions. [2021-11-23 00:34:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 747 transitions. [2021-11-23 00:34:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:39,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:39,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:39,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:39,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:39,547 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:39,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:39,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,684 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:39,685 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 [2021-11-23 00:34:39,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,731 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:39,731 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 [2021-11-23 00:34:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 593 states and 748 transitions. [2021-11-23 00:34:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 748 transitions. [2021-11-23 00:34:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:40,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:40,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:40,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:40,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:40,517 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:40,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:40,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:40,549 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:40,549 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 [2021-11-23 00:34:40,693 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:40,694 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 [2021-11-23 00:34:42,471 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:42,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 594 states and 749 transitions. [2021-11-23 00:34:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 749 transitions. [2021-11-23 00:34:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:42,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:42,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:42,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:42,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:42,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:42,688 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 [2021-11-23 00:34:42,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:42,702 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:42,702 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 [2021-11-23 00:34:43,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:43,032 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:43,032 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 [2021-11-23 00:34:43,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:43,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 595 states and 750 transitions. [2021-11-23 00:34:43,658 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 750 transitions. [2021-11-23 00:34:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:43,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:43,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:43,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:43,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:43,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:43,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:34:43,831 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:43,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:44,774 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:44,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:34:46,103 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:46,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 596 states and 751 transitions. [2021-11-23 00:34:46,127 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 751 transitions. [2021-11-23 00:34:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:46,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:46,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:46,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:46,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:46,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:46,366 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 [2021-11-23 00:34:46,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:46,379 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:46,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:46,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:46,800 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:46,800 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 [2021-11-23 00:34:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:47,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 597 states and 752 transitions. [2021-11-23 00:34:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 752 transitions. [2021-11-23 00:34:47,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:47,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:47,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:47,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:47,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:47,466 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:47,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:47,475 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 [2021-11-23 00:34:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:47,609 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:47,609 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 [2021-11-23 00:34:47,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:47,658 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:47,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 598 states and 753 transitions. [2021-11-23 00:34:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 753 transitions. [2021-11-23 00:34:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:47,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:47,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:47,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:47,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:47,972 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:47,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:47,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:48,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:48,114 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:48,114 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 [2021-11-23 00:34:48,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:48,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:48,161 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:48,161 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 [2021-11-23 00:34:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 599 states and 754 transitions. [2021-11-23 00:34:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 754 transitions. [2021-11-23 00:34:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:49,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:49,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:49,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:49,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:49,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:49,622 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 [2021-11-23 00:34:49,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:49,636 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:49,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:49,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:49,948 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:49,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 600 states and 755 transitions. [2021-11-23 00:34:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 755 transitions. [2021-11-23 00:34:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:50,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:50,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:50,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:50,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:50,289 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:50,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:50,299 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 [2021-11-23 00:34:50,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:50,426 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:50,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:50,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:50,745 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:50,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 601 states and 756 transitions. [2021-11-23 00:34:51,365 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 756 transitions. [2021-11-23 00:34:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:51,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:51,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:51,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:51,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:51,519 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 [2021-11-23 00:34:51,524 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 [2021-11-23 00:34:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:51,538 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:51,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:51,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:51,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:51,595 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:51,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 602 states and 757 transitions. [2021-11-23 00:34:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 757 transitions. [2021-11-23 00:34:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:52,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:52,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:52,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:52,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:52,418 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:52,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:52,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:52,556 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:52,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:52,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:52,972 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:52,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 603 states and 758 transitions. [2021-11-23 00:34:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 758 transitions. [2021-11-23 00:34:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:53,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:53,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:53,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:53,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:53,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:53,685 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 [2021-11-23 00:34:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:53,701 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:53,702 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 [2021-11-23 00:34:54,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:54,114 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:54,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:54,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 604 states and 759 transitions. [2021-11-23 00:34:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 759 transitions. [2021-11-23 00:34:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:54,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:54,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:54,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:54,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:54,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:54,862 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 [2021-11-23 00:34:54,884 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:54,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:55,074 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:55,075 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 [2021-11-23 00:34:56,341 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:56,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 605 states and 760 transitions. [2021-11-23 00:34:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 760 transitions. [2021-11-23 00:34:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:56,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:56,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:56,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:56,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:56,578 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:56,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:34:56,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:56,604 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:56,604 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 [2021-11-23 00:34:57,477 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:57,477 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 [2021-11-23 00:34:59,007 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:34:59,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:34:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 606 states and 761 transitions. [2021-11-23 00:34:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 761 transitions. [2021-11-23 00:34:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:59,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:59,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:59,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:59,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:59,191 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 [2021-11-23 00:34:59,198 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 [2021-11-23 00:34:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:59,212 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:59,212 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 [2021-11-23 00:34:59,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:59,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:59,260 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:59,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:34:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 607 states and 762 transitions. [2021-11-23 00:34:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 762 transitions. [2021-11-23 00:34:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:59,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:59,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:59,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:59,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:59,894 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:59,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:59,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:00,042 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:00,043 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 [2021-11-23 00:35:00,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:00,362 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:00,362 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 [2021-11-23 00:35:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 608 states and 763 transitions. [2021-11-23 00:35:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 763 transitions. [2021-11-23 00:35:00,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:00,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:00,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:01,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:01,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:01,107 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:01,107 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 [2021-11-23 00:35:01,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:01,245 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:01,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:01,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:01,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:01,672 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:01,672 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 [2021-11-23 00:35:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 609 states and 764 transitions. [2021-11-23 00:35:02,227 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 764 transitions. [2021-11-23 00:35:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:02,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:02,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:02,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:02,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:02,434 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 [2021-11-23 00:35:02,437 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 [2021-11-23 00:35:02,454 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:02,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:03,398 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:03,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:35:04,753 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:35:04,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:35:04,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 610 states and 765 transitions. [2021-11-23 00:35:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 765 transitions. [2021-11-23 00:35:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:04,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:04,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:04,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:04,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:04,957 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:04,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:04,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:05,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,099 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:05,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:05,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:05,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,148 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:05,148 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 [2021-11-23 00:35:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 611 states and 766 transitions. [2021-11-23 00:35:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 766 transitions. [2021-11-23 00:35:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:05,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:05,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:05,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:05,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:05,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:05,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:35:05,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,484 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:05,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:05,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:05,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,900 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:05,901 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 [2021-11-23 00:35:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 612 states and 767 transitions. [2021-11-23 00:35:06,023 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 767 transitions. [2021-11-23 00:35:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:06,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:06,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:06,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:06,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:06,264 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:06,264 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 [2021-11-23 00:35:06,273 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 [2021-11-23 00:35:06,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:06,404 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:06,404 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 [2021-11-23 00:35:06,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:06,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:06,452 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:06,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 613 states and 768 transitions. [2021-11-23 00:35:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 768 transitions. [2021-11-23 00:35:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:06,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:06,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:06,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:06,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:06,732 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:06,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:06,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:06,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:06,875 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:06,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:06,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:06,925 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:06,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:08,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 614 states and 769 transitions. [2021-11-23 00:35:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 769 transitions. [2021-11-23 00:35:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:08,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:08,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:08,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:08,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:08,434 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 [2021-11-23 00:35:08,439 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 [2021-11-23 00:35:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:08,454 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:08,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:08,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:08,773 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:08,773 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 [2021-11-23 00:35:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:10,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 615 states and 770 transitions. [2021-11-23 00:35:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 770 transitions. [2021-11-23 00:35:10,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:10,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:10,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:10,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:10,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:10,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:10,176 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 [2021-11-23 00:35:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:10,193 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:10,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:10,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:10,640 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:10,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 616 states and 771 transitions. [2021-11-23 00:35:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 771 transitions. [2021-11-23 00:35:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:11,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:11,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:12,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:12,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:12,104 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 [2021-11-23 00:35:12,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:35:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:12,124 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:12,124 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 [2021-11-23 00:35:12,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:12,169 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:12,169 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 [2021-11-23 00:35:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:12,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 617 states and 772 transitions. [2021-11-23 00:35:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 772 transitions. [2021-11-23 00:35:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:12,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:12,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:12,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:12,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:12,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:12,990 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 [2021-11-23 00:35:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:13,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:35:13,572 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:13,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:35:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 618 states and 773 transitions. [2021-11-23 00:35:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 773 transitions. [2021-11-23 00:35:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:14,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:14,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:14,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:14,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:14,642 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:14,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:14,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:14,675 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:14,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:14,825 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:14,825 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 [2021-11-23 00:35:16,084 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:35:16,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:35:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 619 states and 774 transitions. [2021-11-23 00:35:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 774 transitions. [2021-11-23 00:35:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:16,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:16,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:16,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:16,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:16,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:16,338 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 [2021-11-23 00:35:16,361 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:16,362 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 [2021-11-23 00:35:17,298 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:17,298 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 [2021-11-23 00:35:18,534 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:35:18,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:35:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 620 states and 775 transitions. [2021-11-23 00:35:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 775 transitions. [2021-11-23 00:35:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:18,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:18,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:18,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:18,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:18,801 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:18,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:18,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:18,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:18,947 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:18,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:19,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:19,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:19,376 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:19,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 621 states and 776 transitions. [2021-11-23 00:35:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 776 transitions. [2021-11-23 00:35:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:21,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:21,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:21,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:21,620 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 [2021-11-23 00:35:21,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:35:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:21,641 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:21,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:22,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:22,077 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:22,077 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 [2021-11-23 00:35:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 622 states and 777 transitions. [2021-11-23 00:35:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 777 transitions. [2021-11-23 00:35:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:23,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:23,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:23,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:23,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:23,597 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:23,598 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 [2021-11-23 00:35:23,607 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 [2021-11-23 00:35:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:23,744 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:23,744 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 [2021-11-23 00:35:23,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:23,792 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:23,792 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 [2021-11-23 00:35:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 623 states and 778 transitions. [2021-11-23 00:35:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 778 transitions. [2021-11-23 00:35:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:24,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:24,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:24,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:24,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:24,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:24,452 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 [2021-11-23 00:35:24,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:24,464 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 [2021-11-23 00:35:25,044 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:25,044 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 624 states and 779 transitions. [2021-11-23 00:35:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 779 transitions. [2021-11-23 00:35:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:25,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:25,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:26,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:26,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:26,189 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:26,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:26,197 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 [2021-11-23 00:35:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:26,327 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:26,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:26,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:26,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:26,762 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:26,763 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 [2021-11-23 00:35:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:27,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 625 states and 780 transitions. [2021-11-23 00:35:27,417 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 780 transitions. [2021-11-23 00:35:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:27,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:27,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:27,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:27,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:27,642 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:27,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:27,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:27,785 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:27,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:27,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:27,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:27,834 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:27,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 626 states and 781 transitions. [2021-11-23 00:35:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 781 transitions. [2021-11-23 00:35:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:28,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:28,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:28,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:28,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:28,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:28,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:35:28,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:28,549 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:28,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:28,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:28,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:28,599 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:28,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 627 states and 782 transitions. [2021-11-23 00:35:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 782 transitions. [2021-11-23 00:35:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:29,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:29,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:29,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:29,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:29,305 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 [2021-11-23 00:35:29,312 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 [2021-11-23 00:35:29,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:29,326 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:29,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:29,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:29,760 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:29,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 628 states and 783 transitions. [2021-11-23 00:35:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 783 transitions. [2021-11-23 00:35:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:30,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:30,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:30,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:30,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:30,497 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 [2021-11-23 00:35:30,501 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 [2021-11-23 00:35:30,520 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:30,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:31,421 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:31,421 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 [2021-11-23 00:35:33,239 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:35:33,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:35:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 629 states and 784 transitions. [2021-11-23 00:35:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 784 transitions. [2021-11-23 00:35:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:33,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:33,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:33,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:33,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:33,456 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:33,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:33,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:33,601 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:33,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:33,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:33,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:33,650 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:33,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 630 states and 785 transitions. [2021-11-23 00:35:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 785 transitions. [2021-11-23 00:35:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:34,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:34,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:34,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:34,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:34,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:34,356 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 [2021-11-23 00:35:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:34,372 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:34,372 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 [2021-11-23 00:35:34,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:34,810 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:34,810 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 [2021-11-23 00:35:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 631 states and 786 transitions. [2021-11-23 00:35:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 786 transitions. [2021-11-23 00:35:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:35,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:35,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:35,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:35,591 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:35,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:35,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:35,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:35,734 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:35,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:36,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:36,069 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:36,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:36,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 632 states and 787 transitions. [2021-11-23 00:35:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 787 transitions. [2021-11-23 00:35:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:36,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:36,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:36,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:36,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:36,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:36,756 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 [2021-11-23 00:35:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:36,770 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:36,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:36,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:36,830 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:36,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 633 states and 788 transitions. [2021-11-23 00:35:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 788 transitions. [2021-11-23 00:35:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:37,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:37,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:37,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:37,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:37,731 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 [2021-11-23 00:35:37,735 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 [2021-11-23 00:35:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:37,747 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 [2021-11-23 00:35:37,817 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:37,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:35:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 634 states and 789 transitions. [2021-11-23 00:35:38,675 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 789 transitions. [2021-11-23 00:35:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:38,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:38,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:38,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:38,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:38,887 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:38,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:38,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:39,037 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:39,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:39,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:39,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:39,094 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:39,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 635 states and 790 transitions. [2021-11-23 00:35:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 790 transitions. [2021-11-23 00:35:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:39,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:39,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:39,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:39,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:39,966 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 [2021-11-23 00:35:39,973 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 [2021-11-23 00:35:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:39,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:35:40,520 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:40,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:35:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:41,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 636 states and 791 transitions. [2021-11-23 00:35:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 791 transitions. [2021-11-23 00:35:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:41,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:41,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:41,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:41,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:41,658 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 [2021-11-23 00:35:41,663 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 [2021-11-23 00:35:41,681 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:41,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:42,653 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:42,653 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 [2021-11-23 00:35:43,952 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:35:43,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:35:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 637 states and 792 transitions. [2021-11-23 00:35:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 792 transitions. [2021-11-23 00:35:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:43,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:44,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:44,195 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:44,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:44,205 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 [2021-11-23 00:35:44,222 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:44,222 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 [2021-11-23 00:35:45,165 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:45,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:35:46,487 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:35:46,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:35:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 638 states and 793 transitions. [2021-11-23 00:35:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 793 transitions. [2021-11-23 00:35:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:46,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:46,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:46,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:46,663 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 [2021-11-23 00:35:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:46,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:35:46,737 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:46,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:35:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 639 states and 794 transitions. [2021-11-23 00:35:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 794 transitions. [2021-11-23 00:35:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:47,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:47,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:47,737 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:47,737 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 [2021-11-23 00:35:47,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:47,870 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:47,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:47,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:47,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:47,921 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:47,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 640 states and 795 transitions. [2021-11-23 00:35:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 795 transitions. [2021-11-23 00:35:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:48,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:48,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:48,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:48,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:48,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:48,809 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 [2021-11-23 00:35:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:48,822 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:48,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:49,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:49,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:49,272 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:49,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 641 states and 796 transitions. [2021-11-23 00:35:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 796 transitions. [2021-11-23 00:35:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:49,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:49,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:49,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:49,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:49,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:49,976 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 [2021-11-23 00:35:49,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:49,988 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:49,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:50,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:50,450 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:50,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 642 states and 797 transitions. [2021-11-23 00:35:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 797 transitions. [2021-11-23 00:35:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:51,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:51,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:51,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:51,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:51,337 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 [2021-11-23 00:35:51,342 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 [2021-11-23 00:35:51,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:51,358 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:51,359 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 [2021-11-23 00:35:51,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:51,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:51,807 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:51,808 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 [2021-11-23 00:35:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 643 states and 798 transitions. [2021-11-23 00:35:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 798 transitions. [2021-11-23 00:35:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:52,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:52,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:52,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:52,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:52,605 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:52,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:52,621 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 [2021-11-23 00:35:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:52,766 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:52,767 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 [2021-11-23 00:35:53,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:53,226 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:53,226 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 [2021-11-23 00:35:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 644 states and 799 transitions. [2021-11-23 00:35:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 799 transitions. [2021-11-23 00:35:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:53,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:53,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:53,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:53,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:53,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:35:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:53,669 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:53,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:53,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:53,718 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:53,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:35:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 645 states and 800 transitions. [2021-11-23 00:35:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 800 transitions. [2021-11-23 00:35:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:54,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:54,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:54,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:54,590 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:54,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:35:54,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:54,614 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 [2021-11-23 00:35:55,132 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:55,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:35:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 646 states and 801 transitions. [2021-11-23 00:35:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 801 transitions. [2021-11-23 00:35:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:56,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:56,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:56,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:56,140 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 [2021-11-23 00:35:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:56,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:35:56,220 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:56,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:35:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 647 states and 802 transitions. [2021-11-23 00:35:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 802 transitions. [2021-11-23 00:35:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:57,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:57,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:57,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:57,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:57,440 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 [2021-11-23 00:35:57,445 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 [2021-11-23 00:35:57,470 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:57,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:57,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:57,874 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:35:57,874 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 5 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:58,319 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:58,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 38 [2021-11-23 00:35:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 649 states and 824 transitions. [2021-11-23 00:36:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 824 transitions. [2021-11-23 00:36:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:03,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:03,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:03,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:03,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:03,965 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 [2021-11-23 00:36:03,990 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:03,990 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 [2021-11-23 00:36:04,184 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:04,185 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 [2021-11-23 00:36:05,541 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:05,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 650 states and 825 transitions. [2021-11-23 00:36:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 825 transitions. [2021-11-23 00:36:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:05,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:05,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:05,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:05,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:05,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:05,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:36:05,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:05,752 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:05,753 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 [2021-11-23 00:36:06,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:06,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:06,114 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:06,114 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 [2021-11-23 00:36:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 651 states and 826 transitions. [2021-11-23 00:36:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 826 transitions. [2021-11-23 00:36:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:06,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:06,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:07,013 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:07,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:07,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:07,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:07,162 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:07,162 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 [2021-11-23 00:36:07,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:07,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:07,497 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:07,497 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 [2021-11-23 00:36:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 652 states and 827 transitions. [2021-11-23 00:36:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 827 transitions. [2021-11-23 00:36:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:08,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:08,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:09,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:09,091 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 [2021-11-23 00:36:09,095 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 [2021-11-23 00:36:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,112 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:09,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:09,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,469 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:09,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:10,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 653 states and 828 transitions. [2021-11-23 00:36:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 828 transitions. [2021-11-23 00:36:10,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:10,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:10,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:10,397 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:10,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:10,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:10,545 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:10,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:11,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,014 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:11,014 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 [2021-11-23 00:36:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 654 states and 829 transitions. [2021-11-23 00:36:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 829 transitions. [2021-11-23 00:36:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:11,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:11,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:11,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:11,356 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:11,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:11,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,504 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:11,504 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 [2021-11-23 00:36:11,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:11,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,961 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:11,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 655 states and 830 transitions. [2021-11-23 00:36:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 830 transitions. [2021-11-23 00:36:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:12,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:12,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:12,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:12,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:12,746 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:12,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:12,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:12,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:12,893 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:12,893 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 [2021-11-23 00:36:13,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:13,354 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:13,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 656 states and 831 transitions. [2021-11-23 00:36:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 831 transitions. [2021-11-23 00:36:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:14,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:14,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:14,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:14,221 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:14,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:14,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:14,270 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:14,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:14,707 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:36:14,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 51 treesize of output 48 [2021-11-23 00:36:15,160 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:15,160 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 68 treesize of output 38 [2021-11-23 00:36:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 657 states and 832 transitions. [2021-11-23 00:36:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 832 transitions. [2021-11-23 00:36:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:15,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:15,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:15,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:15,368 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 [2021-11-23 00:36:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,382 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:15,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:15,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,847 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:15,847 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 [2021-11-23 00:36:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 658 states and 833 transitions. [2021-11-23 00:36:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 833 transitions. [2021-11-23 00:36:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:16,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:16,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:16,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:16,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:16,587 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:16,587 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 [2021-11-23 00:36:16,597 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 [2021-11-23 00:36:16,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:16,737 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:16,737 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 [2021-11-23 00:36:17,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:17,202 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:17,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 659 states and 834 transitions. [2021-11-23 00:36:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 834 transitions. [2021-11-23 00:36:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:17,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:18,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:18,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:18,115 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:18,115 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 23 [2021-11-23 00:36:18,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:18,142 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:18,142 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 [2021-11-23 00:36:19,172 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:19,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:36:20,525 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:20,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 660 states and 835 transitions. [2021-11-23 00:36:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 835 transitions. [2021-11-23 00:36:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:20,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:20,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:20,750 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 [2021-11-23 00:36:20,755 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 [2021-11-23 00:36:20,773 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:20,773 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 [2021-11-23 00:36:21,797 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:21,798 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 [2021-11-23 00:36:23,495 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:23,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 661 states and 836 transitions. [2021-11-23 00:36:23,520 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 836 transitions. [2021-11-23 00:36:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:23,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:23,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:23,704 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 [2021-11-23 00:36:23,709 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 [2021-11-23 00:36:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:23,726 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:23,726 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 [2021-11-23 00:36:23,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:23,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:23,775 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:23,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 662 states and 837 transitions. [2021-11-23 00:36:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 837 transitions. [2021-11-23 00:36:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:24,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:24,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:24,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:24,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:24,676 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:24,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:24,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:24,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:24,826 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:24,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:24,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:24,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:24,881 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:24,881 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 [2021-11-23 00:36:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 663 states and 838 transitions. [2021-11-23 00:36:25,504 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 838 transitions. [2021-11-23 00:36:25,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:25,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:25,736 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:25,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:25,746 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 [2021-11-23 00:36:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,884 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:25,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:25,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,941 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:25,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 664 states and 839 transitions. [2021-11-23 00:36:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 839 transitions. [2021-11-23 00:36:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:27,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:27,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:27,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:27,475 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 [2021-11-23 00:36:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,489 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:27,489 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 [2021-11-23 00:36:27,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,929 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:27,929 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 [2021-11-23 00:36:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 665 states and 840 transitions. [2021-11-23 00:36:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 840 transitions. [2021-11-23 00:36:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:28,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:28,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:28,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:28,732 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 [2021-11-23 00:36:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:28,746 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:28,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:29,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:29,092 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:29,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 666 states and 841 transitions. [2021-11-23 00:36:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 841 transitions. [2021-11-23 00:36:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:29,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:29,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:30,014 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:30,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:30,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:30,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,161 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:30,161 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 [2021-11-23 00:36:30,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,521 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:30,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 667 states and 842 transitions. [2021-11-23 00:36:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 842 transitions. [2021-11-23 00:36:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:31,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:31,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:31,335 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:31,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:31,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:31,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,491 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:31,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:31,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,543 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:31,543 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 [2021-11-23 00:36:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 668 states and 843 transitions. [2021-11-23 00:36:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 843 transitions. [2021-11-23 00:36:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:32,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:32,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:32,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:32,280 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 [2021-11-23 00:36:32,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,294 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:32,294 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 [2021-11-23 00:36:32,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:32,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,606 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:32,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 669 states and 844 transitions. [2021-11-23 00:36:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 844 transitions. [2021-11-23 00:36:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:33,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:33,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:33,495 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:33,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:33,504 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 [2021-11-23 00:36:33,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:33,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 00:36:34,058 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:36:34,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:36:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 670 states and 845 transitions. [2021-11-23 00:36:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 845 transitions. [2021-11-23 00:36:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:35,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:35,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:35,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:35,312 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:35,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:35,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:35,345 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:35,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:36,392 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:36,392 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 [2021-11-23 00:36:38,150 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:38,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:38,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:38,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 671 states and 846 transitions. [2021-11-23 00:36:38,172 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 846 transitions. [2021-11-23 00:36:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:38,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:38,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:38,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:38,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:38,383 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:38,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:38,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:38,537 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:38,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:38,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:39,002 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:39,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 672 states and 847 transitions. [2021-11-23 00:36:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 847 transitions. [2021-11-23 00:36:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:39,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:39,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:39,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:39,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:39,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:39,784 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 [2021-11-23 00:36:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:39,801 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:39,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:39,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:39,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:39,850 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:39,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 673 states and 848 transitions. [2021-11-23 00:36:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 848 transitions. [2021-11-23 00:36:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:40,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:40,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:40,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:40,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:40,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:40,548 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 [2021-11-23 00:36:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:40,562 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:40,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:41,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:41,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:41,013 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:41,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 674 states and 849 transitions. [2021-11-23 00:36:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 849 transitions. [2021-11-23 00:36:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:41,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:41,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:41,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:41,783 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 [2021-11-23 00:36:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:41,800 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:41,800 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 [2021-11-23 00:36:42,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:42,157 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:42,157 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 [2021-11-23 00:36:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 675 states and 850 transitions. [2021-11-23 00:36:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 850 transitions. [2021-11-23 00:36:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:42,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:42,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:43,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:43,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:43,168 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:43,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:43,176 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 [2021-11-23 00:36:43,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:43,321 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:43,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:43,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:43,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:43,773 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:43,773 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 [2021-11-23 00:36:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 676 states and 851 transitions. [2021-11-23 00:36:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 851 transitions. [2021-11-23 00:36:44,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:44,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:44,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:44,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:44,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:44,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:44,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:36:44,597 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:44,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:45,652 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:45,653 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 [2021-11-23 00:36:47,076 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:47,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 677 states and 852 transitions. [2021-11-23 00:36:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 852 transitions. [2021-11-23 00:36:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:47,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:47,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:47,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:47,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:47,344 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:47,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:36:47,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:47,375 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:47,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:47,600 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:47,600 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 [2021-11-23 00:36:49,001 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:49,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 678 states and 853 transitions. [2021-11-23 00:36:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 853 transitions. [2021-11-23 00:36:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:49,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:49,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:49,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:49,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:49,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:49,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:36:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:49,249 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:49,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:49,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:49,300 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:49,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 679 states and 854 transitions. [2021-11-23 00:36:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 854 transitions. [2021-11-23 00:36:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:49,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:49,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:50,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:50,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:50,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:50,072 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 [2021-11-23 00:36:50,091 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:50,091 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 [2021-11-23 00:36:51,062 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:51,062 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 [2021-11-23 00:36:52,807 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:52,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 680 states and 855 transitions. [2021-11-23 00:36:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 855 transitions. [2021-11-23 00:36:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:52,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:52,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:53,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:53,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:53,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:53,032 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 [2021-11-23 00:36:53,050 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:53,051 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 [2021-11-23 00:36:54,055 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:54,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:36:55,432 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:55,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:36:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 681 states and 856 transitions. [2021-11-23 00:36:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 856 transitions. [2021-11-23 00:36:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:55,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:55,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:55,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:55,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:55,624 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 [2021-11-23 00:36:55,629 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 [2021-11-23 00:36:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:55,645 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:55,646 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 [2021-11-23 00:36:56,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:56,114 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:56,114 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 [2021-11-23 00:36:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 682 states and 857 transitions. [2021-11-23 00:36:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 857 transitions. [2021-11-23 00:36:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:57,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:57,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:57,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:57,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:57,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:57,648 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 [2021-11-23 00:36:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:57,662 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:57,662 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 [2021-11-23 00:36:57,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:57,710 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:57,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:36:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:58,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 683 states and 858 transitions. [2021-11-23 00:36:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 858 transitions. [2021-11-23 00:36:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:58,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:58,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:58,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:58,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:58,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:58,678 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 [2021-11-23 00:36:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:58,693 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:58,693 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 [2021-11-23 00:36:59,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:59,183 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:59,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 684 states and 859 transitions. [2021-11-23 00:37:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 859 transitions. [2021-11-23 00:37:00,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:00,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:00,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:00,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:00,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:00,835 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:00,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:00,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:01,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:01,003 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:01,003 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 [2021-11-23 00:37:01,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:01,349 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:01,349 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 [2021-11-23 00:37:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 685 states and 860 transitions. [2021-11-23 00:37:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 860 transitions. [2021-11-23 00:37:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:02,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:02,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:02,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:02,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:02,873 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:37:02,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:02,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:02,900 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:02,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:03,908 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:03,908 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 [2021-11-23 00:37:05,429 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:05,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:37:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 686 states and 861 transitions. [2021-11-23 00:37:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 861 transitions. [2021-11-23 00:37:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:05,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:05,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:05,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:05,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:05,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:05,650 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 [2021-11-23 00:37:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:05,665 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:05,665 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 [2021-11-23 00:37:06,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:06,131 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:06,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 687 states and 862 transitions. [2021-11-23 00:37:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 862 transitions. [2021-11-23 00:37:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:06,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:06,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:06,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:06,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:06,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:06,920 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 [2021-11-23 00:37:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:06,937 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:06,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:07,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:07,300 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:07,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 688 states and 863 transitions. [2021-11-23 00:37:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 863 transitions. [2021-11-23 00:37:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:08,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:08,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:08,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:08,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:08,768 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 [2021-11-23 00:37:08,772 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 [2021-11-23 00:37:08,807 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:08,808 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 [2021-11-23 00:37:09,823 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:09,823 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 [2021-11-23 00:37:11,814 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:11,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:37:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 689 states and 864 transitions. [2021-11-23 00:37:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 864 transitions. [2021-11-23 00:37:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:11,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:11,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:12,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:12,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:12,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:12,033 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 [2021-11-23 00:37:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:12,047 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 [2021-11-23 00:37:12,611 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:37:12,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:37:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:13,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 690 states and 865 transitions. [2021-11-23 00:37:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 865 transitions. [2021-11-23 00:37:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:13,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:13,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:13,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:13,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:13,820 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:13,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:13,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,969 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:13,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:14,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:14,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,018 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:14,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:14,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 691 states and 866 transitions. [2021-11-23 00:37:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 866 transitions. [2021-11-23 00:37:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:14,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:14,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:14,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:14,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:14,876 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 [2021-11-23 00:37:14,881 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 [2021-11-23 00:37:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,896 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:14,897 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 [2021-11-23 00:37:15,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:15,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:15,373 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:15,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 692 states and 867 transitions. [2021-11-23 00:37:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 867 transitions. [2021-11-23 00:37:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:16,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:16,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:16,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:16,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:16,936 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 [2021-11-23 00:37:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:16,951 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:16,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:17,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:17,304 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:17,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:18,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 693 states and 868 transitions. [2021-11-23 00:37:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 868 transitions. [2021-11-23 00:37:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:18,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:18,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:18,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:18,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:18,265 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 [2021-11-23 00:37:18,269 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 [2021-11-23 00:37:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:18,284 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:18,285 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 [2021-11-23 00:37:18,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:18,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:18,773 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:18,774 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 [2021-11-23 00:37:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 694 states and 869 transitions. [2021-11-23 00:37:19,428 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 869 transitions. [2021-11-23 00:37:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:19,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:19,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:19,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:19,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:19,617 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:19,617 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 [2021-11-23 00:37:19,628 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 [2021-11-23 00:37:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:19,773 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:19,773 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 [2021-11-23 00:37:20,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:20,251 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:20,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 695 states and 870 transitions. [2021-11-23 00:37:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 870 transitions. [2021-11-23 00:37:20,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:20,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:20,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:21,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:21,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:21,196 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 [2021-11-23 00:37:21,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:37:21,225 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:21,225 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 [2021-11-23 00:37:21,406 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:21,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:37:23,213 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:23,214 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 86 treesize of output 40 [2021-11-23 00:37:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 696 states and 871 transitions. [2021-11-23 00:37:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 871 transitions. [2021-11-23 00:37:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:23,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:23,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:23,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:23,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:23,432 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:37:23,433 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 23 [2021-11-23 00:37:23,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:23,459 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:23,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:24,531 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:24,532 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 [2021-11-23 00:37:26,353 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:26,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:37:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 697 states and 872 transitions. [2021-11-23 00:37:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 872 transitions. [2021-11-23 00:37:26,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:26,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:26,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:26,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:26,542 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 [2021-11-23 00:37:26,568 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:26,568 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 [2021-11-23 00:37:26,736 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:26,736 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 [2021-11-23 00:37:28,784 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:28,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:37:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 698 states and 873 transitions. [2021-11-23 00:37:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 873 transitions. [2021-11-23 00:37:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:28,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:29,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:29,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:29,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:29,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:37:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:29,074 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:29,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:29,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:29,447 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:29,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:30,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 699 states and 874 transitions. [2021-11-23 00:37:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 874 transitions. [2021-11-23 00:37:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:30,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:30,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:30,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:30,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:30,413 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:37:30,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:30,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:30,447 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:30,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:30,620 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:30,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:37:32,109 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:32,110 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 86 treesize of output 40 [2021-11-23 00:37:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 700 states and 875 transitions. [2021-11-23 00:37:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 875 transitions. [2021-11-23 00:37:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:32,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:32,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:32,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:32,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:32,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:32,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:37:32,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:32,411 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:32,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:32,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:32,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:32,788 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:32,788 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 [2021-11-23 00:37:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 701 states and 876 transitions. [2021-11-23 00:37:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 876 transitions. [2021-11-23 00:37:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:33,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:33,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:33,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:33,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:37:33,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:33,767 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:33,767 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 [2021-11-23 00:37:34,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:34,130 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:34,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 702 states and 877 transitions. [2021-11-23 00:37:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 877 transitions. [2021-11-23 00:37:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:34,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:34,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:35,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:35,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:35,042 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:35,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:35,052 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 [2021-11-23 00:37:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:35,204 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:35,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:35,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:35,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:35,572 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:35,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 703 states and 878 transitions. [2021-11-23 00:37:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 878 transitions. [2021-11-23 00:37:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:36,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:36,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:36,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:36,360 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:36,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:36,371 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 [2021-11-23 00:37:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:36,538 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:36,539 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 [2021-11-23 00:37:36,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:36,922 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:36,922 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 [2021-11-23 00:37:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 704 states and 879 transitions. [2021-11-23 00:37:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 879 transitions. [2021-11-23 00:37:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:37,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:37,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:37,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:37,875 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:37,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:37,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:38,039 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:38,040 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 [2021-11-23 00:37:38,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:38,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:38,103 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:38,103 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 [2021-11-23 00:37:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 705 states and 880 transitions. [2021-11-23 00:37:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 880 transitions. [2021-11-23 00:37:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:39,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:39,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:39,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:39,872 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:39,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:39,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:40,038 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:40,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:40,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:40,096 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:40,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:40,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 706 states and 881 transitions. [2021-11-23 00:37:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 881 transitions. [2021-11-23 00:37:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:40,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:40,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:40,996 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:40,996 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 [2021-11-23 00:37:41,006 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 [2021-11-23 00:37:41,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:41,162 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:41,162 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 [2021-11-23 00:37:41,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:41,560 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:41,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 707 states and 882 transitions. [2021-11-23 00:37:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 882 transitions. [2021-11-23 00:37:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:42,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:42,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:42,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:42,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:37:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:42,427 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:42,427 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 [2021-11-23 00:37:42,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:42,491 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:42,491 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 [2021-11-23 00:37:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 708 states and 883 transitions. [2021-11-23 00:37:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 883 transitions. [2021-11-23 00:37:43,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:43,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:43,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:43,402 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:43,403 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 19 [2021-11-23 00:37:43,413 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 [2021-11-23 00:37:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:43,560 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:43,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:43,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:43,610 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:43,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 709 states and 884 transitions. [2021-11-23 00:37:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 884 transitions. [2021-11-23 00:37:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:44,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:44,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:44,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:44,449 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:44,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:44,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:44,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:44,598 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:44,598 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 [2021-11-23 00:37:44,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:44,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:44,647 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:44,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:45,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:45,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 710 states and 885 transitions. [2021-11-23 00:37:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 885 transitions. [2021-11-23 00:37:45,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:45,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:45,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:45,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:45,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:45,469 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 [2021-11-23 00:37:45,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:37:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:45,490 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:45,490 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 [2021-11-23 00:37:45,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:45,953 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:45,953 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 [2021-11-23 00:37:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 711 states and 886 transitions. [2021-11-23 00:37:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 886 transitions. [2021-11-23 00:37:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:46,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:46,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:46,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:46,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:46,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:46,778 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 [2021-11-23 00:37:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:46,790 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 [2021-11-23 00:37:47,404 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:37:47,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 48 [2021-11-23 00:37:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 712 states and 887 transitions. [2021-11-23 00:37:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 887 transitions. [2021-11-23 00:37:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:48,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:48,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:48,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:48,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:48,615 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 [2021-11-23 00:37:48,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:48,629 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:48,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:48,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:48,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:48,978 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:48,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 713 states and 888 transitions. [2021-11-23 00:37:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 888 transitions. [2021-11-23 00:37:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:49,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:49,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:49,786 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:49,786 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 [2021-11-23 00:37:49,796 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 [2021-11-23 00:37:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:49,925 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:49,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:49,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:49,971 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:49,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:50,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 714 states and 889 transitions. [2021-11-23 00:37:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 889 transitions. [2021-11-23 00:37:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:50,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:50,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:50,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:50,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:50,737 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:50,738 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 [2021-11-23 00:37:50,746 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 [2021-11-23 00:37:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:50,876 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:50,877 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 [2021-11-23 00:37:50,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:50,932 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:50,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:51,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 715 states and 890 transitions. [2021-11-23 00:37:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 890 transitions. [2021-11-23 00:37:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:51,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:51,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:51,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:51,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:51,937 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:51,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:51,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:52,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:52,085 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:52,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:52,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:52,438 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:52,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 716 states and 891 transitions. [2021-11-23 00:37:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 891 transitions. [2021-11-23 00:37:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:53,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:53,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:53,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:53,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:53,976 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:53,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:53,984 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 [2021-11-23 00:37:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:54,122 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:54,122 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 [2021-11-23 00:37:54,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:54,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:54,168 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:54,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:37:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 717 states and 892 transitions. [2021-11-23 00:37:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 892 transitions. [2021-11-23 00:37:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:55,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:55,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:55,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:55,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:55,773 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:37:55,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:37:55,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:55,805 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:55,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:56,872 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:56,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:37:58,808 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:58,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:37:58,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 718 states and 893 transitions. [2021-11-23 00:37:58,834 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 893 transitions. [2021-11-23 00:37:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:58,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:58,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:59,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:59,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:59,014 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 [2021-11-23 00:37:59,019 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 [2021-11-23 00:37:59,039 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:59,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:00,022 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:00,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:38:01,677 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:01,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 719 states and 894 transitions. [2021-11-23 00:38:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 894 transitions. [2021-11-23 00:38:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:01,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:01,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:01,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:38:01,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:01,858 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 [2021-11-23 00:38:01,864 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 [2021-11-23 00:38:01,883 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:01,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:02,305 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:38:02,305 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 5 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:38:02,601 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:38:02,602 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 68 treesize of output 38 [2021-11-23 00:38:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 720 states and 895 transitions. [2021-11-23 00:38:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 895 transitions. [2021-11-23 00:38:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:02,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:02,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:02,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:02,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:02,882 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:38:02,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:38:02,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:03,034 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:03,034 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 [2021-11-23 00:38:03,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:03,496 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:03,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 721 states and 896 transitions. [2021-11-23 00:38:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 896 transitions. [2021-11-23 00:38:03,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:03,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:03,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:03,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:03,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:03,848 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:38:03,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:38:03,858 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 [2021-11-23 00:38:03,875 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:03,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:04,807 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:04,807 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 [2021-11-23 00:38:06,231 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:06,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 722 states and 897 transitions. [2021-11-23 00:38:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 897 transitions. [2021-11-23 00:38:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:06,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:06,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:06,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:06,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:06,482 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 [2021-11-23 00:38:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:06,499 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:06,500 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 [2021-11-23 00:38:06,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:06,966 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:06,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 723 states and 898 transitions. [2021-11-23 00:38:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 898 transitions. [2021-11-23 00:38:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:07,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:07,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:07,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:07,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:38:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:07,923 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:07,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:08,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:08,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:08,391 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:08,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 724 states and 899 transitions. [2021-11-23 00:38:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 899 transitions. [2021-11-23 00:38:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:09,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:09,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:09,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:09,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:09,241 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:38:09,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:09,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:09,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:09,387 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:09,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:09,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:09,819 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:09,819 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 [2021-11-23 00:38:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 725 states and 900 transitions. [2021-11-23 00:38:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 900 transitions. [2021-11-23 00:38:10,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:10,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:10,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:10,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:10,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:10,671 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 [2021-11-23 00:38:10,675 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 [2021-11-23 00:38:10,699 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:10,699 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 [2021-11-23 00:38:10,861 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:10,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:38:12,838 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:12,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 726 states and 901 transitions. [2021-11-23 00:38:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 901 transitions. [2021-11-23 00:38:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:12,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:12,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:13,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:13,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:13,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:13,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 00:38:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:13,053 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:13,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:13,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:13,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:13,393 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:13,393 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 [2021-11-23 00:38:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 727 states and 902 transitions. [2021-11-23 00:38:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 902 transitions. [2021-11-23 00:38:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:13,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:13,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:14,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:14,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:14,229 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:38:14,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:14,240 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 [2021-11-23 00:38:14,263 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:14,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:15,273 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:15,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 00:38:17,243 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:17,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 728 states and 903 transitions. [2021-11-23 00:38:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 903 transitions. [2021-11-23 00:38:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:17,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:17,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:17,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:17,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:17,471 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:38:17,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:38:17,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:17,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:17,618 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:17,618 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 [2021-11-23 00:38:18,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:18,079 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:18,080 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 [2021-11-23 00:38:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 729 states and 904 transitions. [2021-11-23 00:38:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 904 transitions. [2021-11-23 00:38:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:18,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:18,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:19,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:19,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:19,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:19,141 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 [2021-11-23 00:38:19,161 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:19,162 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 [2021-11-23 00:38:20,356 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:20,357 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 [2021-11-23 00:38:21,985 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:21,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 730 states and 905 transitions. [2021-11-23 00:38:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 905 transitions. [2021-11-23 00:38:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:22,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:22,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:22,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:22,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:22,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:22,327 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 [2021-11-23 00:38:22,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:22,344 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:22,344 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 [2021-11-23 00:38:22,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:22,879 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:22,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 731 states and 906 transitions. [2021-11-23 00:38:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 906 transitions. [2021-11-23 00:38:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:23,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:23,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:23,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:23,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:23,869 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 [2021-11-23 00:38:23,873 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 [2021-11-23 00:38:23,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:23,898 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:23,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:24,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:24,454 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:24,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 732 states and 907 transitions. [2021-11-23 00:38:24,580 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 907 transitions. [2021-11-23 00:38:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:24,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:24,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:24,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:24,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:24,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:24,782 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 [2021-11-23 00:38:24,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:24,797 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:24,797 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 [2021-11-23 00:38:24,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:24,848 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:24,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 733 states and 908 transitions. [2021-11-23 00:38:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 908 transitions. [2021-11-23 00:38:25,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:25,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:25,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:25,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:25,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:25,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:25,903 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 [2021-11-23 00:38:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:25,918 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:25,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:25,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:25,970 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:25,970 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 [2021-11-23 00:38:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 734 states and 909 transitions. [2021-11-23 00:38:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 909 transitions. [2021-11-23 00:38:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:26,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:26,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:27,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:27,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:27,020 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:38:27,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:27,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:27,205 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:27,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:27,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:27,614 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:27,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 735 states and 910 transitions. [2021-11-23 00:38:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 910 transitions. [2021-11-23 00:38:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:27,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:27,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:28,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:28,058 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:38:28,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:28,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:28,085 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:28,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:29,248 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:29,248 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 [2021-11-23 00:38:31,257 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:31,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 736 states and 911 transitions. [2021-11-23 00:38:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 911 transitions. [2021-11-23 00:38:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:31,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:31,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:31,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:31,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:31,562 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:38:31,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:31,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:31,592 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:31,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:32,727 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:32,727 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 [2021-11-23 00:38:34,923 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:34,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 737 states and 912 transitions. [2021-11-23 00:38:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 912 transitions. [2021-11-23 00:38:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:34,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:34,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:35,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:35,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:35,214 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:38:35,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:35,225 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 [2021-11-23 00:38:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:35,386 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:35,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:35,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:35,921 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:35,922 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 [2021-11-23 00:38:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 738 states and 913 transitions. [2021-11-23 00:38:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 913 transitions. [2021-11-23 00:38:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:36,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:36,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:36,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:36,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:37,006 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:38:37,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:37,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:37,175 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:37,175 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 [2021-11-23 00:38:37,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:37,582 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:37,583 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 [2021-11-23 00:38:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:38,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 739 states and 914 transitions. [2021-11-23 00:38:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 914 transitions. [2021-11-23 00:38:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:38,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:38,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:38,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:38,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:38,647 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:38:38,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:38,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:38,680 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:38,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:38,890 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:38,891 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 [2021-11-23 00:38:40,903 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:40,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 740 states and 915 transitions. [2021-11-23 00:38:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 915 transitions. [2021-11-23 00:38:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:40,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:40,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:41,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:41,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:41,159 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:38:41,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:41,169 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 [2021-11-23 00:38:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:41,332 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:41,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:41,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:41,864 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:41,864 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 [2021-11-23 00:38:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 741 states and 916 transitions. [2021-11-23 00:38:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 916 transitions. [2021-11-23 00:38:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:42,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:42,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:42,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:42,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:42,844 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:38:42,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-11-23 00:38:42,854 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 [2021-11-23 00:38:42,870 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:42,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:38:44,033 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:38:44,033 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 [2021-11-23 00:38:46,256 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:38:46,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2021-11-23 00:38:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 742 states and 917 transitions. [2021-11-23 00:38:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 917 transitions. [2021-11-23 00:38:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:46,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:46,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:46,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:46,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:46,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:46,503 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 [2021-11-23 00:38:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:46,515 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:38:46,516 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 [2021-11-23 00:38:46,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:46,565 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:38:46,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 00:38:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 743 states and 918 transitions. [2021-11-23 00:38:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 918 transitions. [2021-11-23 00:38:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:47,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:47,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms