./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array1_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array1_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9fbee177c3231db1a1e3277e649158ac81edd180968ad454e1d0751d0f1d4e9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:18:50,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:18:50,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:18:50,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:18:50,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:18:50,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:18:50,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:18:50,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:18:50,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:18:50,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:18:50,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:18:50,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:18:50,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:18:50,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:18:50,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:18:51,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:18:51,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:18:51,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:18:51,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:18:51,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:18:51,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:18:51,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:18:51,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:18:51,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:18:51,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:18:51,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:18:51,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:18:51,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:18:51,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:18:51,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:18:51,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:18:51,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:18:51,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:18:51,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:18:51,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:18:51,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:18:51,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:18:51,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:18:51,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:18:51,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:18:51,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:18:51,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:18:51,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:18:51,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:18:51,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:18:51,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:18:51,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:18:51,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:18:51,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:18:51,060 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:18:51,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:18:51,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:18:51,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:18:51,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:18:51,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:18:51,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:18:51,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:18:51,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:18:51,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:18:51,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:18:51,063 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:18:51,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:18:51,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:18:51,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:18:51,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:18:51,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:18:51,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:18:51,065 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:18:51,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:18:51,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:18:51,065 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_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9fbee177c3231db1a1e3277e649158ac81edd180968ad454e1d0751d0f1d4e9 [2021-11-21 05:18:51,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:18:51,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:18:51,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:18:51,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:18:51,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:18:51,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array1_pattern.c [2021-11-21 05:18:51,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/data/6668edecf/56776aa704d54cc9b3a6c66e78b897fd/FLAGde80b05d1 [2021-11-21 05:18:51,911 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:18:51,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/sv-benchmarks/c/array-patterns/array1_pattern.c [2021-11-21 05:18:51,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/data/6668edecf/56776aa704d54cc9b3a6c66e78b897fd/FLAGde80b05d1 [2021-11-21 05:18:52,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/data/6668edecf/56776aa704d54cc9b3a6c66e78b897fd [2021-11-21 05:18:52,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:18:52,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:18:52,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:18:52,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:18:52,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:18:52,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196f3a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52, skipping insertion in model container [2021-11-21 05:18:52,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:18:52,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:18:52,595 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_db417b6d-8f6a-4fb0-ab3b-82be8e687556/sv-benchmarks/c/array-patterns/array1_pattern.c[1307,1320] [2021-11-21 05:18:52,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:18:52,623 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:18:52,640 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_db417b6d-8f6a-4fb0-ab3b-82be8e687556/sv-benchmarks/c/array-patterns/array1_pattern.c[1307,1320] [2021-11-21 05:18:52,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:18:52,689 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:18:52,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52 WrapperNode [2021-11-21 05:18:52,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:18:52,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:18:52,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:18:52,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:18:52,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,734 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-11-21 05:18:52,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:18:52,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:18:52,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:18:52,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:18:52,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:18:52,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:18:52,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:18:52,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:18:52,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:52" (1/1) ... [2021-11-21 05:18:52,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:18:52,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:18:52,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:18:52,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db417b6d-8f6a-4fb0-ab3b-82be8e687556/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:18:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:18:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 05:18:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 05:18:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:18:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:18:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:18:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:18:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:18:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:18:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:18:52,944 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:18:52,946 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:18:53,080 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:18:53,105 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:18:53,118 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 05:18:53,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:18:53 BoogieIcfgContainer [2021-11-21 05:18:53,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:18:53,121 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:18:53,121 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:18:53,131 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:18:53,131 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:18:53" (1/1) ... [2021-11-21 05:18:53,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:18:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-21 05:18:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-21 05:18:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:18:53,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:18:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-21 05:18:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-21 05:18:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:18:53,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:53,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:53,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:18:53,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:18:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:18:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:53,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 25 transitions. [2021-11-21 05:18:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-21 05:18:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:18:53,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:53,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:53,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 05:18:53,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:18:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:18:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:54,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 39 transitions. [2021-11-21 05:18:54,269 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-21 05:18:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:18:54,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:54,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:54,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:18:54,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:18:54,441 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 [2021-11-21 05:18:54,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:18:55,194 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:18:55,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:18:55,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:18:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:18:55,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:18:55,735 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:18:55,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:18:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:18:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 33 states and 61 transitions. [2021-11-21 05:18:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-21 05:18:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:18:57,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:57,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:57,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:18:57,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:18:57,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:18:57,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:18:57,911 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:18:57,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:18:57,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:18:57,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:18:57,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:18:58,246 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:18:58,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:18:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:18:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 33 states and 61 transitions. [2021-11-21 05:18:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-21 05:18:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:18:58,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:58,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:58,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:18:58,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:18:58,338 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 [2021-11-21 05:18:58,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:18:58,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:18:59,237 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:18:59,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:18:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 36 states and 76 transitions. [2021-11-21 05:19:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2021-11-21 05:19:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:00,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:00,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:00,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 05:19:00,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:00,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:00,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:02,476 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:02,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:02,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:02,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:02,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:03,083 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:19:03,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:19:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 43 states and 102 transitions. [2021-11-21 05:19:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 102 transitions. [2021-11-21 05:19:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:06,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:06,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:06,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:19:06,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:06,883 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 [2021-11-21 05:19:06,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:09,448 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:09,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:09,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:09,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:09,732 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:09,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 43 states and 102 transitions. [2021-11-21 05:19:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 102 transitions. [2021-11-21 05:19:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:12,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:12,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:12,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:19:12,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:12,612 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 [2021-11-21 05:19:12,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:14,617 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:14,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:14,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:14,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:15,237 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:15,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:19,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:19,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:19,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:19,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:19,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:19,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:19,960 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:19,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:19,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:20,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:20,267 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:20,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:20,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:20,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:20,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:19:20,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:20,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:20,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:21,742 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:21,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:21,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:21,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:22,026 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:22,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:22,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:22,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:22,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:19:22,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:22,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:22,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:22,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:23,186 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:23,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:23,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:23,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:23,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:19:23,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:23,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:23,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:23,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:24,211 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:24,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:24,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:24,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:24,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:24,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:24,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:24,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:24,360 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:24,639 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:24,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:24,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:24,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:24,940 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:24,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:24,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:24,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:25,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:25,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:25,027 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 [2021-11-21 05:19:25,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:25,281 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:25,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:25,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:25,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:25,577 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:25,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:25,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:25,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:25,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:25,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:25,652 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 [2021-11-21 05:19:25,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:25,919 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:25,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:25,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:26,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:26,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:26,274 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:26,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:26,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:26,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:26,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:26,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:26,394 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 [2021-11-21 05:19:26,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:26,706 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:26,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:26,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:26,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:27,071 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:27,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 47 states and 129 transitions. [2021-11-21 05:19:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:27,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:27,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:27,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:19:27,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:27,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:27,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:27,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:27,790 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:27,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:28,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:28,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:28,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:28,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:28,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:28,520 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:28,765 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:28,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:28,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:28,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:29,117 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:29,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:29,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:29,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:29,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:19:29,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:29,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:29,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:30,215 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:30,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:30,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:30,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:30,542 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:30,542 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 56 treesize of output 33 [2021-11-21 05:19:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:30,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:30,580 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:30,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:30,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:30,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:19:30,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:30,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:30,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:32,149 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:32,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:32,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:32,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:32,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:32,474 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:32,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:33,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:33,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:33,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:33,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:33,114 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 [2021-11-21 05:19:33,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:33,378 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:33,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:33,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:33,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:33,786 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:33,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:33,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:33,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:33,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:33,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:19:33,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:33,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:33,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:34,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:34,266 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:34,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:34,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:34,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:34,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:19:34,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:34,477 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 [2021-11-21 05:19:34,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:19:35,499 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:35,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:35,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:35,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:35,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:35,890 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:35,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:36,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:36,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:36,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:36,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:36,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:36,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:36,389 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:36,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:36,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:36,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:36,740 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:36,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:36,777 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:36,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:36,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:36,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:19:36,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:36,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:36,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:37,882 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:37,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:37,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:37,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:37,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:38,195 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:38,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:38,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:38,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:38,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:38,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:38,292 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 [2021-11-21 05:19:38,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:38,617 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:38,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:38,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:38,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:38,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:39,093 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:39,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 129 transitions. [2021-11-21 05:19:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 129 transitions. [2021-11-21 05:19:39,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:39,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:39,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:39,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:19:39,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:39,211 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 [2021-11-21 05:19:39,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:39,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:39,595 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:39,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:40,157 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:40,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:40,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:40,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:40,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:40,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:40,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:40,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:40,471 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:40,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:40,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:40,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:40,770 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:40,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:40,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:40,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:40,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:40,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:40,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:40,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:40,863 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:41,123 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:41,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:41,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:41,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:41,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:41,484 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:41,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:41,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:41,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:41,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:41,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:41,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:41,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:41,853 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:41,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:41,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:41,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:41,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:42,296 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:42,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:42,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:42,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:42,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:19:42,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:42,388 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 [2021-11-21 05:19:42,413 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:43,234 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:43,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:43,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:43,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:43,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:43,605 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:43,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:43,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:43,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:43,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:43,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:43,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:43,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:43,978 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:43,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:44,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:44,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:44,377 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:44,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:44,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:44,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:44,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:19:44,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:44,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:44,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:45,388 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:45,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:45,405 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:45,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:45,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:45,775 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:45,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:45,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:45,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:45,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 05:19:45,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:45,859 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 [2021-11-21 05:19:45,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:19:47,326 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:47,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:47,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:47,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:47,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:47,636 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:19:47,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:19:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:54,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:54,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:54,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:54,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:54,817 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 [2021-11-21 05:19:54,830 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:55,031 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:55,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:55,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:55,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:55,353 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:55,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:55,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:55,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:55,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:19:55,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:55,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:55,449 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:56,323 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:56,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:56,357 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:56,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:56,701 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:56,701 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 56 treesize of output 33 [2021-11-21 05:19:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:56,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:56,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:56,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:19:56,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:56,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:56,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:56,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:57,200 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:57,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:57,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:57,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:57,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:19:57,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:57,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:57,308 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:57,547 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:57,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:57,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:57,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:57,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:57,909 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:57,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:19:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:57,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:57,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:57,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:57,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:57,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:57,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:58,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:19:58,295 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:19:58,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:19:58,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:19:58,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:19:58,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:19:58,676 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:19:58,677 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 56 treesize of output 33 [2021-11-21 05:19:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:58,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:58,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:58,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:19:58,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:58,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:19:59,033 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:59,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:59,259 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:59,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:59,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:59,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:59,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:19:59,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:59,541 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 [2021-11-21 05:19:59,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:19:59,650 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:19:59,849 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:19:59,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:19:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:19:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:19:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:59,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:59,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:59,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:19:59,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:19:59,969 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 [2021-11-21 05:19:59,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:00,219 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:00,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:00,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:00,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:00,609 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:00,609 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 56 treesize of output 33 [2021-11-21 05:20:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:20:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:20:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:00,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:00,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:00,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:20:00,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:00,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:00,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:01,621 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:01,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:01,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:01,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:01,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:02,002 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:02,002 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 56 treesize of output 33 [2021-11-21 05:20:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 48 states and 135 transitions. [2021-11-21 05:20:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 135 transitions. [2021-11-21 05:20:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:02,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:02,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:02,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:20:02,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:02,088 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 [2021-11-21 05:20:02,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:03,486 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:03,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:03,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:03,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:03,877 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:20:03,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:20:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:05,657 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:05,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:05,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:05,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:05,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:05,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:05,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:05,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:05,971 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:05,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:06,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:06,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:06,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:06,394 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:06,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:06,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:06,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:06,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:06,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:06,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:06,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:06,498 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 [2021-11-21 05:20:06,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:06,825 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:06,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:06,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:06,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:06,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:07,226 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:07,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:07,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:07,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:07,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:07,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:07,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:07,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:07,549 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:07,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:07,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:07,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:07,943 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:07,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:07,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:07,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:08,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:08,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:08,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:08,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:08,269 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:08,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:08,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:08,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:08,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:08,645 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:08,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:08,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:08,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:08,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:20:08,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:08,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:08,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:09,147 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:09,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:09,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:09,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:09,615 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:09,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:09,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:09,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:09,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:09,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:09,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:09,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:10,047 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:10,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:10,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:10,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:10,392 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:10,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:10,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:10,435 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:10,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:10,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:10,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:20:10,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:10,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:10,510 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:11,558 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:11,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:11,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:11,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:12,002 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:12,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:12,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:12,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:12,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:12,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:20:12,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:12,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:12,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:20:12,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:20:12,733 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:20:12,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:20:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:13,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:13,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:13,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:13,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:13,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:13,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:13,404 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:13,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:13,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:13,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:13,857 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:13,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:13,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:13,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:13,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:13,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:20:13,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:13,962 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 [2021-11-21 05:20:13,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:14,927 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:14,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:14,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:15,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:15,383 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:15,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:15,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:15,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:15,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:15,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:15,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:15,515 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:15,812 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:15,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:15,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:15,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:16,257 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:16,257 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 56 treesize of output 33 [2021-11-21 05:20:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:16,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:16,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:16,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:16,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:16,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:16,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:16,581 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:16,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:16,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:16,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:16,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:17,089 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:17,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:17,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:17,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:17,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:20:17,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:17,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:17,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:20:17,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:20:17,490 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:20:17,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:20:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:17,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:17,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:17,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:20:17,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:17,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:17,617 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:18,536 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:18,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:18,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:18,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:18,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:19,012 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:19,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:19,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:19,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:19,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:19,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:20:19,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:19,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:19,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:20,034 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:20,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:20,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:20,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:20,484 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:20,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:20,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:20,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:20,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:20,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:20,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:20,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:20,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:20,885 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:20,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:20,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:20,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:20,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:21,377 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:21,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:21,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:21,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:21,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:20:21,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:21,443 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 [2021-11-21 05:20:21,468 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:22,428 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:22,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:22,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:22,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:22,932 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:22,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:22,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:22,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:22,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:22,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:23,010 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 [2021-11-21 05:20:23,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:23,291 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:23,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:23,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:23,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:23,746 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:23,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:23,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:23,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:23,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:23,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:23,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:23,832 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 [2021-11-21 05:20:23,849 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:24,107 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:24,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:24,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:24,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:24,580 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:24,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:24,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:24,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:24,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:24,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:24,668 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 [2021-11-21 05:20:24,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:24,941 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:24,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:24,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:25,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:25,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:25,412 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:25,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:25,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:25,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:25,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:25,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:25,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:25,483 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 [2021-11-21 05:20:25,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:25,786 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:25,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:25,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:25,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:26,277 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:26,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:26,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:26,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:26,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:26,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:26,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:26,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:26,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:26,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:26,630 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:26,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:26,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:26,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:27,110 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:27,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:27,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:27,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:27,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:27,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:27,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:27,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:27,505 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:27,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:27,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:27,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:28,008 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:28,008 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 56 treesize of output 33 [2021-11-21 05:20:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:28,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:28,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:28,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:20:28,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:28,104 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 [2021-11-21 05:20:28,125 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:28,363 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:28,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:28,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:28,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:28,870 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:28,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:28,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:28,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:28,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:28,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:28,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:28,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:28,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:28,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:29,228 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:29,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:29,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:29,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:29,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:29,779 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:29,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:29,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:29,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:29,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:29,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:29,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:29,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:30,154 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:30,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:30,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:30,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:30,679 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:30,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:30,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:30,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:30,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:30,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:30,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:20:30,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:30,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:30,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:31,176 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:31,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:31,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:31,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:31,734 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:31,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:31,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:31,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:31,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:20:31,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:31,992 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 [2021-11-21 05:20:32,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:32,252 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:32,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:32,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:32,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:32,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:32,786 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:32,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:32,808 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:32,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:32,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:32,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:20:32,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:32,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:20:33,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:20:33,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:20:33,325 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:20:33,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:20:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:33,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:33,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:33,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:20:33,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:33,591 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 [2021-11-21 05:20:33,617 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:33,856 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:33,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:33,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:33,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:34,352 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:20:34,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:20:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:20:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:20:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:20:34,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:34,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:34,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:20:34,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:20:34,413 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 [2021-11-21 05:20:34,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:20:43,388 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:20:43,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:20:43,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:20:43,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:20:43,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:20:43,816 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:20:43,817 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 54 treesize of output 33 [2021-11-21 05:20:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:03,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:03,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:03,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:03,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:03,885 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 [2021-11-21 05:21:03,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:21:04,690 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:04,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:04,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:04,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:05,085 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:05,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:05,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:05,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:05,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:21:05,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:05,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:05,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:06,449 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:06,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:06,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:06,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:06,814 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:21:06,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:21:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:06,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:06,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:06,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:21:06,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:06,883 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 [2021-11-21 05:21:06,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:07,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:07,186 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:07,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:07,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:07,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:07,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:07,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:07,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:07,251 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 [2021-11-21 05:21:07,274 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:08,064 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:08,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:08,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:08,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:08,440 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:08,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:08,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:08,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:08,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:21:08,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:08,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:08,619 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:08,649 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:08,829 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:08,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:08,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:08,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:08,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:08,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:08,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:08,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:09,130 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:09,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:09,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:09,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:09,528 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:09,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:09,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:09,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:09,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:21:09,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:09,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:09,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:09,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:09,881 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:09,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:09,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:09,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:09,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:09,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:09,966 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 [2021-11-21 05:21:09,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:10,197 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:10,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:10,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:10,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:10,575 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:10,575 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 56 treesize of output 33 [2021-11-21 05:21:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:10,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:10,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:10,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:10,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:10,654 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 [2021-11-21 05:21:10,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:11,557 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:11,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:11,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:11,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:12,018 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:12,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:12,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:12,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:12,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:12,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:21:12,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:12,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:12,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:12,305 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:12,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:12,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:12,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:12,723 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:12,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:12,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:12,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:12,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:12,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:12,809 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 [2021-11-21 05:21:12,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:13,092 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:13,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:13,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:13,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:13,506 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:13,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:13,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:13,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:13,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:13,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:13,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:13,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:13,799 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:13,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:13,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:13,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:14,213 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:14,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:14,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:14,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:14,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:14,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:14,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:14,285 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 [2021-11-21 05:21:14,418 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:14,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:14,611 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:14,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:14,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:14,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:14,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:21:14,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:14,686 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 [2021-11-21 05:21:14,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:14,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:15,034 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:15,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:15,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:15,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:15,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:15,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:15,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:15,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:15,447 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:15,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:15,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:15,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:15,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:15,964 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:15,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:15,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:15,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:16,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:21:16,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:16,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:16,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:16,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:16,346 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:16,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:16,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:16,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:16,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:16,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:16,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:16,434 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 [2021-11-21 05:21:16,449 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:16,665 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:16,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:16,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:16,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:17,120 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:17,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:17,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:17,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:17,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:17,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:17,197 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 [2021-11-21 05:21:17,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:18,085 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:18,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:18,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:18,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:18,525 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:18,525 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 56 treesize of output 33 [2021-11-21 05:21:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:18,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:18,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:18,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:21:18,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:18,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:18,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:18,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:18,954 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:18,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:18,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:18,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:19,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:19,027 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 [2021-11-21 05:21:19,045 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:19,245 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:19,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:19,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:19,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:19,708 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:19,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:19,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:19,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:19,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:19,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:19,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:20,079 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:20,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:20,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:20,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:20,533 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:20,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:20,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:20,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:20,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:20,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:20,602 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 [2021-11-21 05:21:20,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:20,813 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:20,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:20,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:20,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:21,225 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:21,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:21,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:21,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:21,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:21:21,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:21,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:21,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:21,613 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:21,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:21,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:21,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:21,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:22,141 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:22,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:22,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:22,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:22,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:22,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 05:21:22,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:22,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:22,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:24,159 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:24,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:24,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:24,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:24,591 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:24,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:26,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:26,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:26,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:26,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:26,615 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 [2021-11-21 05:21:26,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:27,484 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:27,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:27,524 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:27,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:27,958 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:27,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:27,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:27,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:28,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:21:28,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:28,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:28,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:29,347 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:29,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:29,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:29,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:29,775 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:21:29,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:21:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:29,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:29,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:29,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:29,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:29,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:29,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:30,167 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:30,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:30,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:30,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:30,605 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:30,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:30,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:30,629 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:30,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:30,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:30,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:30,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:30,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:30,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:30,916 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:30,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:30,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:30,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:31,365 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:31,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:31,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:31,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:31,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:31,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:31,434 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 [2021-11-21 05:21:31,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:31,656 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:31,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:31,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:31,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:31,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:32,139 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:32,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:32,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:32,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:32,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:32,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:32,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:32,233 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:32,508 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:32,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:32,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:32,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:32,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:32,957 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:32,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:32,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:32,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:33,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:33,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:33,025 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 [2021-11-21 05:21:33,038 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:33,247 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:33,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:33,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:33,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:33,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:33,708 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:33,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:33,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:33,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:33,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:33,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:33,766 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 [2021-11-21 05:21:33,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:33,989 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:33,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:34,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:34,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:34,445 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:34,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:34,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:34,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:34,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:34,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:34,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:34,520 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:34,729 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:34,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:34,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:34,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:35,215 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:35,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:35,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:35,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:35,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:35,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:35,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:35,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:36,281 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:36,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:36,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:36,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:36,643 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:36,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:36,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:36,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:36,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:36,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:36,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:36,943 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 [2021-11-21 05:21:36,961 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:37,839 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:37,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:37,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:37,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:37,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:38,366 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:38,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:38,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:38,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:38,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:38,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:38,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:38,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:38,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:46,082 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:46,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:46,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:46,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:46,499 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:21:46,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:21:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:46,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:46,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:46,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:21:46,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:46,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:46,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:47,401 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:47,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:47,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:47,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:47,914 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:47,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:47,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:47,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:47,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:47,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:21:47,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:47,987 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 [2021-11-21 05:21:48,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:48,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:48,307 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:48,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:48,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:48,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:48,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:21:48,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:48,434 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 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:21:49,623 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:49,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:49,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:49,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:50,152 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:21:50,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:21:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:50,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:50,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:50,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:21:50,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:50,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:50,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:50,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:50,521 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:50,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:50,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:50,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:50,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:21:50,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:50,612 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 [2021-11-21 05:21:50,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:21:50,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:21:51,013 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:21:51,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:21:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:51,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:51,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:51,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:21:51,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:51,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:21:51,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:21:51,319 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:21:51,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:21:51,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:21:51,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:21:51,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:21:51,840 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:21:51,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:21:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:21:51,876 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:21:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:51,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:51,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:51,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:21:51,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:21:51,912 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 [2021-11-21 05:21:52,042 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:00,393 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:22:00,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:22:00,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:00,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:00,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:22:01,547 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:22:01,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:22:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:02,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:02,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:02,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:22:02,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:02,272 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 [2021-11-21 05:22:02,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:02,602 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:22:02,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:22:02,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:02,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:22:03,283 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:22:03,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:22:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:03,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:03,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:03,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:22:03,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:03,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:03,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:06,359 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:22:06,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:22:06,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:06,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:22:07,605 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:22:07,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:22:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:12,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:12,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:12,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:22:12,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:12,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:12,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:15,580 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:22:15,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:22:15,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:15,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:22:16,493 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:22:16,493 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 56 treesize of output 33 [2021-11-21 05:22:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:21,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:21,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:21,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:21,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:21,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:21,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:21,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:21,397 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:21,598 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:21,598 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:21,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:21,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:21,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:21,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:21,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:22,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:22,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:22:22,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:22,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:22:22,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:22:22,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:23,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:22:23,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:22:23,528 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:23,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:24,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:24,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:24,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:24,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:24,581 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 [2021-11-21 05:22:24,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:24,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:24,913 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:24,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:24,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:24,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:25,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:22:25,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:25,032 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 [2021-11-21 05:22:25,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:25,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:25,549 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:25,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:25,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:25,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:25,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:25,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:25,828 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 [2021-11-21 05:22:25,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:25,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:26,163 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:26,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:26,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:26,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:26,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:22:26,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:26,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:26,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:26,403 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:26,677 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:26,677 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:26,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:26,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:26,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:26,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:26,802 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 [2021-11-21 05:22:26,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:26,965 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:27,145 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:27,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:27,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:27,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:27,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:27,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:27,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:27,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:27,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:27,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:27,563 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:27,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:27,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:27,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:27,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:27,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:27,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:27,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:27,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:28,127 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:28,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:28,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:28,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:28,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:28,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:28,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:28,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:28,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:28,673 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:28,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 140 transitions. [2021-11-21 05:22:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 140 transitions. [2021-11-21 05:22:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:28,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:28,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:28,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:28,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:28,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:28,786 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:30,203 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:22:30,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:22:30,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:30,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:30,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:22:31,075 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:22:31,076 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 56 treesize of output 33 [2021-11-21 05:22:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:36,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:36,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:36,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:36,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:36,385 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 [2021-11-21 05:22:36,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:36,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:36,722 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:36,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:36,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:36,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:36,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:36,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:36,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:36,951 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:36,965 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:37,177 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:37,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:37,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:37,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:37,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:37,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:37,240 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 [2021-11-21 05:22:37,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:37,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:37,702 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:37,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:37,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:37,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:37,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:22:37,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:37,802 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 [2021-11-21 05:22:37,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:37,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:38,144 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:38,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:38,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:38,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:38,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:38,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:38,231 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 [2021-11-21 05:22:38,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:38,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:38,561 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:38,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:38,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:38,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:38,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:38,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:38,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:38,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:39,417 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:22:39,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:22:39,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:39,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:22:40,328 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:22:40,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:22:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:40,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:40,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:40,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:40,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:40,419 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 [2021-11-21 05:22:40,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:40,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:40,796 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:40,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:40,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:40,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:40,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:40,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:40,938 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 [2021-11-21 05:22:41,045 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:41,089 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:41,357 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:41,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:41,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:41,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:41,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:41,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:41,441 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 [2021-11-21 05:22:41,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:41,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:41,814 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:41,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:41,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:41,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:41,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:22:41,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:41,964 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 [2021-11-21 05:22:42,124 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:42,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:42,407 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:42,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:42,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:42,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:42,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:42,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:42,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:42,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:42,606 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:42,619 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:42,850 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:42,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:42,914 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:42,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:42,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:42,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:42,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:42,987 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 [2021-11-21 05:22:43,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:43,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:43,437 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:43,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:43,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:43,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:43,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:22:43,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:43,506 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 [2021-11-21 05:22:43,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:22:43,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:43,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:43,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:22:43,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:22:43,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:43,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:22:43,901 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 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:22:44,390 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:44,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:44,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:44,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:44,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:44,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:22:44,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:44,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:44,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:45,921 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:22:45,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:22:45,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:46,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:22:46,522 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:22:46,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:22:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:46,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:46,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:46,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:46,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:46,606 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 [2021-11-21 05:22:46,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:46,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:47,004 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:47,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:47,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:47,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:47,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:22:47,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:47,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:47,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:47,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:47,524 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:47,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:47,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:47,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:47,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:22:47,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:47,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:47,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:47,774 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:47,998 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:47,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:48,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:48,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:48,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:22:48,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:48,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:48,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:48,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:48,470 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:48,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:48,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:48,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:48,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:22:48,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:48,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:48,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:48,722 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:48,979 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:48,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:49,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:49,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:49,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:22:49,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:49,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:49,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:49,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:49,469 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:49,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:49,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:49,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:49,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:22:49,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:49,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:49,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:49,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:49,934 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:49,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:50,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:50,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:50,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:22:50,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:50,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:50,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:22:51,422 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:22:51,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:22:51,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:22:51,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:22:51,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:22:52,365 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:22:52,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:22:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:52,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:52,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:52,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:52,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:22:52,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:52,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:52,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:22:52,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:22:53,205 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:22:53,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:22:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:22:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:22:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:53,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:53,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:53,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:22:53,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:22:53,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:22:53,284 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:01,054 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:23:01,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:23:01,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:01,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:23:02,263 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:23:02,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:23:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:02,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:23:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:23:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:02,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:02,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:02,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:23:02,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:02,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:02,449 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:02,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:02,744 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:02,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:23:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:23:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:02,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:02,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:02,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:02,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:02,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:02,992 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:03,033 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:03,274 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:03,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:23:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:23:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:03,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:03,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:03,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:03,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:03,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:03,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:03,511 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:03,755 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:03,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:03,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:23:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:23:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:03,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:03,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:03,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:03,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:03,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:03,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:03,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:04,240 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:04,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 146 transitions. [2021-11-21 05:23:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 146 transitions. [2021-11-21 05:23:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:04,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:04,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:04,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:04,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:04,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:04,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:23:04,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:04,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:04,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:23:04,587 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 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:23:04,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:04,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:23:04,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:23:05,235 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:05,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:06,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:06,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:06,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:06,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:06,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:06,715 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:06,729 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:06,986 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:06,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:07,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:07,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:07,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:07,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:07,064 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 [2021-11-21 05:23:07,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:07,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:07,449 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:07,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:07,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:07,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:07,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:07,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:07,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:07,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:07,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:08,018 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:08,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:08,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:08,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:08,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:23:08,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:08,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:08,115 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:08,406 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:23:08,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:23:08,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:08,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:23:09,151 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:23:09,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:23:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:09,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:09,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:09,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:09,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:09,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:09,356 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:09,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:09,639 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:09,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:09,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:09,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:09,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:09,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:09,748 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 [2021-11-21 05:23:09,763 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:10,424 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:23:10,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:23:10,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:10,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:23:11,354 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:23:11,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:23:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:11,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:11,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:11,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:23:11,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:11,439 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 [2021-11-21 05:23:11,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:12,369 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:23:12,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:23:12,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:12,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:12,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:23:13,366 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:23:13,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:23:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:13,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:13,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:13,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:23:13,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:13,426 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 [2021-11-21 05:23:13,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:14,850 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:23:14,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:23:14,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:14,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:23:15,542 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:23:15,542 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 54 treesize of output 33 [2021-11-21 05:23:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:15,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:15,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:15,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:23:15,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:15,606 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 [2021-11-21 05:23:15,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:23,584 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:23:23,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:23:23,603 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:23,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:23:24,688 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:23:24,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:23:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:24,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:24,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:24,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:23:24,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:24,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:24,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:26,815 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:23:26,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:23:26,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:26,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:23:28,009 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:23:28,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:23:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:28,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:28,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:28,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:28,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:28,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:28,520 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:28,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:28,772 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:28,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:28,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:28,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:28,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:28,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:28,898 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 [2021-11-21 05:23:29,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:29,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:29,267 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:29,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:29,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:29,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:29,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:29,344 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 [2021-11-21 05:23:29,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:29,475 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:29,806 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:29,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:29,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:29,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:29,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:29,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:29,936 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 [2021-11-21 05:23:30,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:30,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:30,346 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:30,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:30,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:30,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:30,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:30,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:30,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:30,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:30,578 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:30,853 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:30,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:30,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:30,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:30,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:23:30,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:30,953 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 [2021-11-21 05:23:30,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:31,287 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:23:31,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:23:31,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:31,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:23:32,067 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:23:32,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:23:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:32,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:32,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:32,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:32,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:32,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:32,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:32,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:32,779 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:32,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:32,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:32,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:32,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:32,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:23:32,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:32,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:32,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:34,214 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:23:34,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:23:34,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:34,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:23:34,901 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:23:34,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:23:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:34,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:34,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:34,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:23:34,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:34,978 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 [2021-11-21 05:23:35,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:35,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:35,373 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:35,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:35,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:35,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:35,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:35,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:35,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:35,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:35,716 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:35,971 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:35,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:35,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:35,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:36,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:23:36,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:36,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:36,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:36,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:36,477 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:36,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:36,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:36,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:36,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:36,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:23:36,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:36,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:36,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:36,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:37,047 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:37,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:37,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:37,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:37,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:23:37,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:37,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:37,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:37,267 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 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:23:37,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:37,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:23:37,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:23:37,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:37,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:23:37,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:23:38,049 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:38,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:38,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:38,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:38,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:38,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:38,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:38,456 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:38,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:38,782 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:38,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:38,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:38,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:38,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 05:23:38,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:38,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:39,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:39,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:23:39,628 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:39,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:23:39,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:23:39,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:39,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:23:39,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:23:40,348 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:40,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:40,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:40,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:40,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:40,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:40,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:40,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:41,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:41,115 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:41,339 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:41,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:41,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:41,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:41,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:23:41,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:41,448 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 [2021-11-21 05:23:41,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:42,937 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:23:42,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:23:42,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:43,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:23:43,692 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:23:43,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:23:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:43,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:43,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:43,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:23:43,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:43,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:43,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:44,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:44,287 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:44,287 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:44,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:44,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:44,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:23:44,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:44,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:44,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:44,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:44,825 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:44,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:44,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:44,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:44,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:44,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:23:44,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:44,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:44,979 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:45,903 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:23:45,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:23:45,947 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:45,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:23:46,901 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:23:46,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:23:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:46,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:46,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:46,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:23:46,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:46,982 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 [2021-11-21 05:23:47,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:47,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:47,391 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:47,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:47,484 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:47,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:47,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:47,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:23:47,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:47,544 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 [2021-11-21 05:23:47,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:49,378 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:23:49,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:23:49,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:49,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:49,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:23:50,710 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:23:50,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:23:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:52,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:52,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:52,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 05:23:52,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:52,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:52,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:23:53,970 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:23:53,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:23:54,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:23:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:23:54,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:23:54,728 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:23:54,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:23:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:54,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:54,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:54,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:23:54,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:54,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:23:55,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:55,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:55,427 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:55,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:55,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:55,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:55,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:23:55,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:55,564 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 [2021-11-21 05:23:55,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:23:55,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:23:56,216 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:23:56,216 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:23:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:23:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:23:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:23:56,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:56,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:56,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:23:56,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:23:56,551 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 [2021-11-21 05:23:56,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:04,497 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:24:04,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:24:04,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:04,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:04,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:24:05,755 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:24:05,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:24:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:05,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:05,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:05,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:24:05,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:05,828 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 [2021-11-21 05:24:05,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:05,972 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:06,248 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:06,249 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:06,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:06,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:06,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:06,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:24:06,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:06,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:06,621 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:06,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:06,948 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:06,949 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:07,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:07,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:07,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:24:07,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:07,096 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 [2021-11-21 05:24:07,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:14,974 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:24:14,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:24:15,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:15,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:24:16,269 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:24:16,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:24:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:16,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:16,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:16,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:24:16,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:16,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:16,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:16,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:16,734 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:16,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:16,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:16,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:16,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:24:16,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:16,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:17,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:17,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:17,368 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:17,368 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:17,420 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:17,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:17,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:17,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:24:17,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:17,466 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 [2021-11-21 05:24:17,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:18,279 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:24:18,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:24:18,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:18,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:24:19,341 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:24:19,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:24:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:19,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:19,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:19,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:24:19,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:19,410 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 [2021-11-21 05:24:19,766 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:19,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:20,046 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:20,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:20,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:20,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:20,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:24:20,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:20,400 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 [2021-11-21 05:24:20,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:20,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:20,885 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:20,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:20,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:20,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:20,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:24:20,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:20,962 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 [2021-11-21 05:24:20,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:28,974 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:24:28,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:24:29,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:29,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:24:30,252 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:24:30,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:24:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:30,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:30,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:30,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:30,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:24:30,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:30,318 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 [2021-11-21 05:24:30,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:31,711 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:24:31,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:24:31,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:31,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:31,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:24:32,493 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:24:32,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:24:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:32,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:32,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:32,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:24:32,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:32,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:32,599 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:33,581 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:24:33,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:24:33,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:33,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:24:34,729 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:24:34,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:24:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:34,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:34,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:34,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:24:34,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:34,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:35,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:35,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:35,399 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:35,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:35,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:35,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:35,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:24:35,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:35,564 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 [2021-11-21 05:24:35,592 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:44,180 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:24:44,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:24:44,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:44,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:24:45,623 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:24:45,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:24:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:45,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:45,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:45,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:45,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:24:45,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:45,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:45,873 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:45,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:46,243 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:46,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:46,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:46,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:46,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:24:46,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:46,347 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 [2021-11-21 05:24:46,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:46,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:46,828 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:46,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:46,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:46,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:46,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:24:46,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:46,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:47,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:47,328 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:24:47,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:24:47,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:47,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:24:48,259 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:24:48,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:24:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:48,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:48,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:48,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:24:48,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:48,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:48,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:48,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:48,831 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:48,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:48,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:48,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:48,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:24:48,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:48,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:49,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:24:49,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:24:49,424 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:24:49,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:24:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:49,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:49,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:49,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:49,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:24:49,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:49,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:49,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:24:51,910 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:24:51,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:24:51,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:24:52,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:24:52,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:24:53,124 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:24:53,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:24:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:24:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:24:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:24:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:24:55,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:55,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:55,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:24:55,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:24:55,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:24:55,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:03,877 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:25:03,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:25:03,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:04,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:25:05,359 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:25:05,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:25:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:05,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:05,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:05,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:25:05,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:05,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:05,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:25:07,017 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:25:07,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:25:07,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:07,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:07,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:25:07,898 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:25:07,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:25:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:07,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:07,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:07,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:25:07,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:07,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:08,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:08,337 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:25:08,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:25:08,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:08,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:08,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:25:09,349 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:09,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:25:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:09,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:09,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:09,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:09,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:09,419 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 [2021-11-21 05:25:09,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:09,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:09,927 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:09,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:09,969 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:09,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:09,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:10,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:25:10,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:10,023 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 [2021-11-21 05:25:10,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:12,520 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:25:12,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:25:12,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:12,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:25:14,077 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:25:14,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:25:14,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:14,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:14,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:14,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:14,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:14,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:14,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:14,705 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:15,050 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:15,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:15,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:15,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:15,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:25:15,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:15,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:15,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:15,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:15,642 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:15,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:15,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:15,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:15,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:15,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:25:15,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:15,775 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 [2021-11-21 05:25:15,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:25:24,606 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:25:24,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:25:24,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:24,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:24,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:25:26,167 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:25:26,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:25:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:26,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:26,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:26,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:26,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:26,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:26,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:26,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:27,078 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:27,078 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:27,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:27,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:27,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:25:27,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:27,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:27,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:27,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:27,688 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:27,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:27,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:27,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:27,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:25:27,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:27,784 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 [2021-11-21 05:25:27,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:28,883 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:25:28,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:25:28,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:28,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:25:30,025 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:30,025 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 56 treesize of output 33 [2021-11-21 05:25:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:30,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:30,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:30,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:30,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:30,134 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 [2021-11-21 05:25:30,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:30,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:30,631 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:30,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:30,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:30,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:30,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:25:30,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:30,784 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 [2021-11-21 05:25:30,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:31,975 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:25:31,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:25:32,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:32,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:32,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:25:32,945 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:32,945 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 56 treesize of output 33 [2021-11-21 05:25:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:32,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:32,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:32,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:25:32,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:33,002 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 [2021-11-21 05:25:33,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:33,147 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:33,476 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:33,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:33,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:33,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:33,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:25:33,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:33,555 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 [2021-11-21 05:25:33,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:34,923 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:25:34,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:25:34,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:35,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:35,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:25:35,913 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:35,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:25:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:35,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:35,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:35,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:35,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:35,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:36,124 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:36,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:36,431 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:36,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:36,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:36,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:36,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:36,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:36,574 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 [2021-11-21 05:25:36,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:36,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:37,193 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:37,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:37,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:37,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:37,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:37,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:37,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:37,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:37,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:37,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:37,789 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:37,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:37,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:37,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:37,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:37,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:37,866 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 [2021-11-21 05:25:38,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:38,060 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:38,397 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:38,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:38,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:38,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:38,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:25:38,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:38,465 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 [2021-11-21 05:25:38,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:25:39,946 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:25:39,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:25:40,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:40,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:40,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:25:40,800 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:25:40,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:25:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:40,824 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:40,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:40,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:40,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:25:40,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:40,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:41,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:41,230 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:41,579 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:41,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:41,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:41,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:41,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:25:41,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:41,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:41,828 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:41,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:42,176 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:42,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:42,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:42,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:42,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:42,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:42,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:42,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:42,261 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 [2021-11-21 05:25:42,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:42,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:42,845 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:42,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:42,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:42,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:42,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:42,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:42,982 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 [2021-11-21 05:25:43,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:43,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:43,690 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:43,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:43,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:43,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:43,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:43,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:43,766 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 [2021-11-21 05:25:43,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:43,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:44,209 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:44,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:44,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:44,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:44,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:44,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:44,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:44,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:45,214 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:25:45,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:25:45,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:45,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:25:46,362 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:46,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:25:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:46,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:46,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:46,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:25:46,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:46,442 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 [2021-11-21 05:25:46,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:46,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:46,976 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:46,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:47,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:47,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:47,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:25:47,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:47,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:47,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:47,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:47,573 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:47,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:47,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:47,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:47,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:25:47,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:47,661 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 [2021-11-21 05:25:47,685 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:48,852 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:25:48,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:25:48,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:49,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:49,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:25:49,873 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:49,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:25:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:49,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:49,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:49,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:25:49,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:49,964 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 [2021-11-21 05:25:50,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:50,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:50,688 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:50,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:50,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:50,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:50,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:25:50,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:50,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:51,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:51,449 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 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:25:51,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:25:51,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:25:51,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:51,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:25:51,736 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 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:25:51,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:52,453 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:52,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:52,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:52,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:52,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:52,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:53,006 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 [2021-11-21 05:25:53,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:53,937 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:25:53,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:25:53,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:54,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:54,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:25:55,187 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:55,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:25:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:55,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:55,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:55,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:25:55,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:55,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:55,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:55,572 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:25:55,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:25:55,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:55,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:55,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:25:56,590 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:25:56,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:25:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:56,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:56,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:56,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:56,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:56,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:56,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:56,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:57,102 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:57,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:57,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:57,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:57,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:25:57,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:57,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:25:57,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:25:57,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:25:57,750 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:25:57,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:25:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:25:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:25:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:25:57,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:57,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:57,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:25:57,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:57,837 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 [2021-11-21 05:25:57,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:25:58,875 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:25:58,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:25:58,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:25:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:25:58,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:26:00,104 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:00,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:26:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:00,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:26:00,127 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:26:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:00,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:00,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:00,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:26:00,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:00,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:00,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:00,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:00,745 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:00,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:26:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:26:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:00,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:00,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:26:00,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:00,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:00,992 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:01,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:01,379 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:01,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 51 states and 152 transitions. [2021-11-21 05:26:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 152 transitions. [2021-11-21 05:26:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:01,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:01,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:01,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:26:01,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:01,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:01,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 48 [2021-11-21 05:26:01,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 49 [2021-11-21 05:26:01,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:26:01,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-11-21 05:26:01,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:04,340 INFO L354 Elim1Store]: treesize reduction 103, result has 6.4 percent of original size [2021-11-21 05:26:04,341 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 55 treesize of output 30 [2021-11-21 05:26:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:16,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:16,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:16,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:26:16,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:16,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:16,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:16,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:16,649 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:16,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:16,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:16,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:16,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:26:16,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:16,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:16,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:18,109 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:26:18,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:26:18,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:18,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:26:19,950 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:19,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:26:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:20,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:20,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:20,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:20,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:20,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:26:20,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:20,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:20,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:21,633 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:26:21,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:26:21,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:21,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:21,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:26:22,692 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:22,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:26:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:22,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:22,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:22,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:26:22,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:22,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:22,961 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 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:26:23,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:23,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:23,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:26:23,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:26:23,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:23,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:26:23,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:26:24,170 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:24,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:24,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:24,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:24,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:26:24,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:24,318 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 [2021-11-21 05:26:24,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:24,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:24,882 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:24,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:24,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:24,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:25,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:26:25,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:25,046 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 [2021-11-21 05:26:25,065 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:26,143 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:26:26,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:26:26,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:26,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:26:27,558 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:27,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:26:27,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:27,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:27,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:27,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:26:27,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:27,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:27,786 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:27,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:28,187 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:28,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:28,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:28,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:28,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:26:28,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:28,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:28,308 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:36,933 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:26:36,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:26:37,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:37,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:26:38,574 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:26:38,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:26:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:38,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:38,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:38,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:26:38,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:38,638 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 [2021-11-21 05:26:38,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:39,832 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:26:39,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:26:39,944 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:40,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:40,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:26:41,279 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:41,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:26:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:41,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:41,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:41,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:26:41,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:41,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:41,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:41,497 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:41,983 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:41,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:42,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:42,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:42,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:26:42,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:42,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:42,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:42,312 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:42,656 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:42,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:42,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:42,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:42,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:42,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:26:42,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:42,800 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 [2021-11-21 05:26:42,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:43,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:43,365 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:43,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:43,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:43,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:43,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:26:43,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:43,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:43,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:45,671 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:26:45,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:26:45,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:45,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:26:47,080 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:47,080 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 56 treesize of output 33 [2021-11-21 05:26:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:47,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:47,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:47,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:26:47,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:47,154 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 [2021-11-21 05:26:47,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:26:47,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:26:47,674 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:26:47,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:26:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:47,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:47,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:47,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:47,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:26:47,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:47,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:47,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:49,280 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:26:49,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:26:49,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:49,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:26:50,314 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:26:50,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:26:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:50,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:50,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:50,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:50,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:26:50,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:50,376 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 [2021-11-21 05:26:50,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:50,730 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:26:50,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:26:50,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:50,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:50,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:26:51,798 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:51,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:26:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:51,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:51,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:51,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:51,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:26:51,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:51,859 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 [2021-11-21 05:26:51,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:52,970 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:26:52,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:26:53,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:53,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:26:54,424 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:26:54,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:26:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:54,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:54,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:54,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:26:54,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:54,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:54,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:26:56,279 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:26:56,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:26:56,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:56,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:26:57,354 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:26:57,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:26:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:26:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:26:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:26:57,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:57,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:57,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:26:57,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:57,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:26:57,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:26:59,104 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:26:59,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:26:59,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:26:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:26:59,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:27:00,146 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:27:00,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:27:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:00,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:00,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:00,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:00,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:00,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:00,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:00,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:00,758 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:00,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:00,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:00,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:00,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:27:00,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:00,897 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 [2021-11-21 05:27:00,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:01,340 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:27:01,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:27:01,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:01,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:27:02,387 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:27:02,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:27:02,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:02,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:02,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:02,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:27:02,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:02,468 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 [2021-11-21 05:27:02,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:11,290 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:27:11,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:27:11,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:11,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:27:13,114 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:27:13,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:27:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:13,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:13,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:13,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:13,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:13,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:13,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:13,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:13,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:13,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:13,763 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:13,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:13,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:13,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:13,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:13,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:13,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:14,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:14,083 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:14,406 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:14,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:14,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:14,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:14,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:14,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:27:14,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:14,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:14,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:14,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:15,175 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:15,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:15,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:15,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:15,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:15,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:15,338 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 [2021-11-21 05:27:15,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:15,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:15,833 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:15,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:15,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:15,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:15,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:15,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:15,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:27:15,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:15,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:16,158 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:16,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:16,605 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:16,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:16,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:16,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:16,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:27:16,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:16,695 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 [2021-11-21 05:27:16,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:18,416 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:27:18,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:27:18,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:18,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:27:19,421 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:27:19,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:27:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:19,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:19,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:19,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:19,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:27:19,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:19,791 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 [2021-11-21 05:27:19,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:19,957 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:20,345 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:20,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:20,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:20,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:20,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:20,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:20,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:20,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:20,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:20,910 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:20,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:21,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:21,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:21,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:21,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:27:21,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:21,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:21,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:21,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:21,637 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:21,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:21,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:21,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:21,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:21,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:21,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:21,794 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 [2021-11-21 05:27:21,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:21,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:22,271 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:22,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:22,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:22,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:22,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:22,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:22,360 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 [2021-11-21 05:27:22,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:22,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:22,945 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:22,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:23,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:23,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:23,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:23,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:27:23,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:23,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:23,147 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:24,328 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:27:24,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:27:24,380 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:24,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:27:25,476 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:27:25,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:27:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:25,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:25,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:25,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:25,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:25,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:25,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:26,636 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:27:26,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:27:26,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:26,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:26,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:27:28,097 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:27:28,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:27:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:28,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:28,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:28,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:27:28,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:28,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:28,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:36,683 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:27:36,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:27:36,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:36,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:27:38,572 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:27:38,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:27:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:38,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:38,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:38,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:27:38,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:38,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:38,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:47,319 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:27:47,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:27:47,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:47,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:27:49,187 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:27:49,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:27:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:49,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:49,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:49,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:49,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:49,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:49,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:50,351 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:27:50,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:27:50,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:50,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:27:52,274 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:27:52,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:27:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:52,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:52,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:52,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:27:52,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:52,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:52,652 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:52,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:53,088 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:53,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:53,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:53,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:53,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:53,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:53,220 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 [2021-11-21 05:27:53,562 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:27:53,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:53,954 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:27:53,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:27:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:54,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:54,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:54,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:54,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:27:54,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:54,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:54,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:55,575 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:27:55,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:27:55,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:55,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:55,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:27:56,707 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:27:56,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:27:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:56,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:56,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:56,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:56,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:56,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:56,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:27:57,943 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:27:57,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:27:57,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:27:58,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:27:58,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:27:59,399 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:27:59,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:27:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:27:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:59,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:27:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:27:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:27:59,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:59,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:59,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:27:59,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:27:59,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:27:59,642 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:27:59,661 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:00,018 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:00,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:00,078 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:00,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:00,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:00,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:28:00,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:00,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:00,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:00,289 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:00,702 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:00,703 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:00,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:00,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:00,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:28:00,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:00,837 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 [2021-11-21 05:28:01,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:01,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:01,393 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:01,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:01,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:01,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:01,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:28:01,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:01,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:01,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:01,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:02,062 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:02,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:02,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:02,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:02,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:28:02,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:02,265 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 [2021-11-21 05:28:02,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:28:03,856 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:28:03,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:28:03,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:28:04,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:28:04,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:28:04,949 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:28:04,949 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 54 treesize of output 33 [2021-11-21 05:28:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:04,998 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:04,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:04,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:05,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:28:05,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:05,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:05,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:05,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:05,570 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:05,570 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:05,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:05,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:05,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:05,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:28:05,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:05,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:05,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:28:14,533 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:28:14,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:28:14,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:28:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:28:14,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:28:16,503 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:28:16,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:28:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:16,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:16,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:16,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:16,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:28:16,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:16,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:16,612 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:28:25,581 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:28:25,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:28:25,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:28:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:28:25,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:28:27,513 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:28:27,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:28:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:27,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:27,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:28:27,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:27,617 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 [2021-11-21 05:28:27,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:27,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:28,310 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:28,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:28,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:28,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:28,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:28,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:28:28,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:28,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:28,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:28,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:29,221 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:29,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:29,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:29,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:29,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:28:29,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:29,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:29,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:29,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:29,883 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:29,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:29,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:29,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:30,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:28:30,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:30,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:30,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:28:31,180 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:28:31,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:28:31,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:28:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:28:31,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:28:32,764 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:28:32,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:28:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:32,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:32,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:32,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:28:32,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:32,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:33,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:33,042 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:33,429 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:33,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:33,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:33,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:33,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:28:33,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:33,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:33,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:28:42,271 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:28:42,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:28:42,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:28:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:28:42,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:28:44,306 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:28:44,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:28:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:44,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:44,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:44,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:28:44,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:44,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:44,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:28:45,499 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:28:45,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:28:45,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:28:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:28:45,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:28:46,956 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:28:46,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:28:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:46,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:46,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:47,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:28:47,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:47,043 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 [2021-11-21 05:28:47,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:28:47,209 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:28:47,638 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:28:47,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:28:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:47,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:47,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:47,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:28:47,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:47,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:47,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:28:50,068 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:28:50,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:28:50,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:28:50,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:28:50,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:28:52,112 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:28:52,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:28:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:28:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:28:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:28:52,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:52,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:52,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:28:52,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:28:52,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:28:52,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:00,900 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:00,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:00,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:01,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:01,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:02,917 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:29:02,917 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 54 treesize of output 33 [2021-11-21 05:29:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:02,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:02,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:02,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:29:02,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:02,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:03,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:03,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:03,614 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:03,614 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:03,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:03,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:03,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:03,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:03,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:03,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:03,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:04,338 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:04,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:04,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:04,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:04,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:04,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:29:04,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:04,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:04,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:04,926 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:29:04,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:29:04,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:05,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:05,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:29:06,159 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:29:06,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:29:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:06,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:06,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:06,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:29:06,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:06,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:06,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:15,401 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:15,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:15,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:15,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:17,343 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:29:17,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:29:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:17,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:17,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:17,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:29:17,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:17,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:17,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:26,375 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:26,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:26,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:26,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:28,423 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:29:28,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:29:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:28,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:28,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:28,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:28,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:28,489 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 [2021-11-21 05:29:28,647 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:28,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:29,103 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:29,103 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:29,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:29,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:29,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:29,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:29:29,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:29,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:29,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:29,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:29,759 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:29,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:29,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:29,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:29,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:29:29,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:29,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:30,018 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:30,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:30,467 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:30,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:30,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:30,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:30,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:30,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:30,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:30,716 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:30,736 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:31,179 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:31,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:31,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:31,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:31,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:31,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:31,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:31,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:31,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:31,901 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:31,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:32,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:32,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:32,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:32,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:32,074 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 [2021-11-21 05:29:32,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:32,468 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:32,920 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:32,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:32,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:32,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:32,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:32,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:32,995 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 [2021-11-21 05:29:33,360 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:33,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:33,827 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:33,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:33,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:33,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:33,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:33,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:33,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:34,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:34,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:34,753 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:34,753 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:34,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:34,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:34,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:29:34,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:34,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:34,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:36,098 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:36,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:36,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:36,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:37,785 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:29:37,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:29:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:37,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:37,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:37,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:29:37,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:37,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:37,997 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:38,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:38,396 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:38,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:38,441 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:38,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:38,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:38,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:38,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:29:38,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:38,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:38,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:38,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:39,101 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:39,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:39,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:39,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:39,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:39,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:39,285 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 [2021-11-21 05:29:39,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:39,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:39,874 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:39,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:39,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:39,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:39,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:39,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:39,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:39,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:41,226 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:41,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:41,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:41,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:41,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:42,894 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:29:42,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:29:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:42,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:42,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:42,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:42,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:42,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:43,007 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:44,223 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:44,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:44,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:44,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:45,756 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:29:45,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:29:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:45,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:45,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:45,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:45,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:45,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:45,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:45,866 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:47,027 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:47,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:47,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:47,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:48,546 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:29:48,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:29:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:48,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:48,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:48,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:29:48,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:48,627 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 [2021-11-21 05:29:48,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:29:57,239 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:29:57,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:29:57,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:29:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:29:57,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:29:59,224 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:29:59,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:29:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:59,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:59,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:59,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:59,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:29:59,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:59,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:29:59,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:29:59,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:29:59,860 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:29:59,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:29:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:29:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:29:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:59,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:59,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:59,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:29:59,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:59,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:00,157 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:00,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:00,671 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:00,671 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:00,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:00,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:00,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:00,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:00,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:00,784 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:01,956 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:01,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:02,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:02,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:02,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:03,591 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:30:03,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:30:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:03,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:03,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:03,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:03,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:03,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:03,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:30:03,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:03,668 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 [2021-11-21 05:30:03,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:03,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:04,275 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:04,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:04,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:04,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:04,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:30:04,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:04,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:04,504 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:04,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:04,963 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:04,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:04,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:04,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:04,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:05,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:05,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:05,033 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 [2021-11-21 05:30:05,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:05,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:05,659 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:05,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:05,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:05,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:05,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:05,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:05,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:05,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:05,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:05,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:05,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:07,040 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:07,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:07,095 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:07,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:08,747 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:30:08,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:30:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:08,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:08,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:08,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:30:08,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:08,859 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 [2021-11-21 05:30:08,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:17,625 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:17,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:17,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:17,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:17,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:19,784 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:30:19,784 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 54 treesize of output 33 [2021-11-21 05:30:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:19,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:19,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:19,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:19,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:19,885 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 [2021-11-21 05:30:20,033 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:20,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:20,512 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:20,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:20,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:20,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:20,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:20,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:20,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:20,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:23,425 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:23,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:23,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:23,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:23,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:25,095 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:30:25,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:30:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:25,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:25,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:25,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:30:25,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:25,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:25,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:25,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:25,814 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:25,814 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:25,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:25,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:25,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:30:25,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:25,984 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 [2021-11-21 05:30:26,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:26,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:26,594 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:26,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:26,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:26,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:26,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:26,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:26,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:26,808 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:27,273 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:27,274 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:27,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:27,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:27,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:27,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:27,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:27,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:28,613 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:28,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:28,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:28,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:28,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:30,268 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:30:30,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:30:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:30,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:30,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:30,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:30,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:30,363 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 [2021-11-21 05:30:30,511 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:30,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:30,992 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:30,992 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:31,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:31,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:31,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:31,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:31,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:31,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:31,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:31,775 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:31,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:31,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:31,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:31,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:31,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:31,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:31,971 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:32,032 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:32,431 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:32,431 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:32,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:32,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:32,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:32,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:32,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:32,757 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:32,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:33,247 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:33,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:33,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:33,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:33,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:30:33,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:33,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:33,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:33,587 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:33,970 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:33,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:34,075 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:34,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:34,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:34,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:34,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:34,134 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 [2021-11-21 05:30:34,153 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:35,389 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:35,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:35,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:35,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:35,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:37,180 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:30:37,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:30:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:37,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:37,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:37,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:37,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:30:37,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:37,276 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 [2021-11-21 05:30:37,403 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:37,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:37,933 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:37,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:38,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:38,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:38,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:30:38,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:38,107 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 [2021-11-21 05:30:38,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:30:38,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:38,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:38,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:30:38,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:30:39,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:39,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:30:39,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:30:40,145 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:40,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:40,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:40,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:40,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:40,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:30:40,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:40,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:40,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:40,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:41,204 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:41,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:41,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:41,320 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:41,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:41,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:41,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:41,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:30:41,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:41,371 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 [2021-11-21 05:30:41,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:42,554 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:42,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:42,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:42,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:44,302 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:30:44,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:30:44,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:44,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:44,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:44,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:30:44,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:44,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:44,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:44,807 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:30:44,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:30:44,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:45,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:30:46,175 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:30:46,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:30:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:46,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:46,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:46,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:46,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:46,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:46,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:46,456 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 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:46,871 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:46,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:46,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:46,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:46,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:30:46,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:46,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:47,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:30:47,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:30:47,632 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:30:47,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:30:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:47,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:47,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:47,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:30:47,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:47,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:47,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:30:56,522 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:30:56,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:30:56,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:30:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:30:56,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:30:58,858 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:30:58,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:30:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:30:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:30:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:30:58,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:58,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:58,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:30:58,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:58,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:30:59,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:00,559 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:00,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:00,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:00,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:00,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:02,935 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:31:02,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:31:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:03,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:03,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:03,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:31:03,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:03,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:03,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:03,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:31:03,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:03,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:31:03,808 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 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:31:04,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:04,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:31:04,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:31:05,058 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:05,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:05,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:05,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:05,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:05,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:05,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:05,414 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:05,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:05,904 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:05,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:06,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:06,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:06,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:31:06,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:06,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:06,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:07,673 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:31:07,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:31:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:07,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:31:08,829 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:31:08,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:31:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:08,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:08,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:08,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:31:08,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:08,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:08,979 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:10,137 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:10,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:10,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:10,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:11,942 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:31:11,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:31:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:12,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:12,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:12,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:12,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:12,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:12,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:13,367 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:13,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:13,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:13,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:15,024 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:31:15,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:31:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:15,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:15,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:15,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:15,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:15,128 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 [2021-11-21 05:31:15,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:16,320 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:16,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:16,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:16,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:18,137 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:31:18,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:31:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:18,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:18,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:18,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:18,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:18,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:18,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:18,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:18,942 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:18,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:19,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:19,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:19,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:31:19,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:19,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:19,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:19,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:19,628 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:19,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:19,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:19,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:19,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:19,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:31:19,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:19,794 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 [2021-11-21 05:31:19,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:28,616 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:28,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:28,700 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:28,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:28,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:30,986 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:31:30,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:31:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:31,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:31,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:31:31,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:31,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:31,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:31,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:31,787 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:31,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:31,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:31,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:31,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:31,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:32,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:32,157 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:32,568 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:32,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:32,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:32,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:32,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:32,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:32,733 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 [2021-11-21 05:31:32,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:34,077 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:34,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:34,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:34,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:35,777 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:31:35,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:31:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:35,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:35,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:38,362 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:38,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:38,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:38,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:40,688 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:31:40,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:31:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:42,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:42,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:42,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:31:42,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:42,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:42,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:42,984 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-21 05:31:42,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-21 05:31:43,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:43,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-21 05:31:44,379 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-21 05:31:44,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-21 05:31:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:44,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:44,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:44,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:44,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:44,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:44,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-21 05:31:44,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:44,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:31:44,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:31:44,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:45,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:31:45,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-21 05:31:45,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:46,178 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:46,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:46,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:46,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:46,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:31:46,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:46,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:46,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:46,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:46,966 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:46,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:47,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:47,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:47,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:31:47,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:47,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:47,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:31:49,879 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-21 05:31:49,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-21 05:31:49,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:31:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:31:49,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-21 05:31:52,143 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:31:52,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-21 05:31:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:52,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:52,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:52,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:31:52,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:52,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:52,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:52,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:53,083 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:53,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:53,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:53,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:53,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:31:53,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:53,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:53,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:53,386 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 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:53,866 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:53,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:53,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:53,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:53,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:31:53,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:53,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:54,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:54,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:54,635 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:54,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:54,715 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:54,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:54,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:54,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:31:54,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:54,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:31:54,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:54,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:55,435 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:55,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:55,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:55,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:55,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:31:55,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:55,661 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 [2021-11-21 05:31:55,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-21 05:31:55,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-21 05:31:56,285 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:31:56,285 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-21 05:31:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:56,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 54 states and 182 transitions. [2021-11-21 05:31:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 182 transitions. [2021-11-21 05:31:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:31:56,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:56,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:56,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:31:56,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:56,506 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 [2021-11-21 05:31:56,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15