./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array9_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array9_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e --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 8ae6792b63619c19d32145c9c656ded5ce2ab653945337eaf95cf4eb94965d3b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:44:19,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:44:19,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:44:19,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:44:19,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:44:19,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:44:19,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:44:19,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:44:19,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:44:19,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:44:20,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:44:20,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:44:20,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:44:20,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:44:20,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:44:20,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:44:20,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:44:20,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:44:20,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:44:20,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:44:20,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:44:20,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:44:20,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:44:20,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:44:20,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:44:20,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:44:20,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:44:20,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:44:20,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:44:20,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:44:20,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:44:20,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:44:20,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:44:20,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:44:20,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:44:20,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:44:20,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:44:20,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:44:20,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:44:20,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:44:20,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:44:20,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:44:20,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:44:20,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:44:20,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:44:20,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:44:20,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:44:20,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:44:20,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:44:20,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:44:20,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:44:20,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:44:20,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:44:20,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:44:20,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:44:20,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:44:20,133 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:44:20,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:44:20,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:44:20,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:44:20,134 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:44:20,135 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:44:20,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:44:20,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:20,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:44:20,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:44:20,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:44:20,136 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:44:20,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:44:20,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:44:20,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ae6792b63619c19d32145c9c656ded5ce2ab653945337eaf95cf4eb94965d3b [2021-11-13 22:44:20,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:44:20,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:44:20,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:44:20,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:44:20,497 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:44:20,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array9_pattern.c [2021-11-13 22:44:20,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/data/a116bbe74/58879fb8ca7d4e058db9d814fc5bdf6e/FLAGe7e825fd7 [2021-11-13 22:44:21,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:44:21,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/sv-benchmarks/c/array-patterns/array9_pattern.c [2021-11-13 22:44:21,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/data/a116bbe74/58879fb8ca7d4e058db9d814fc5bdf6e/FLAGe7e825fd7 [2021-11-13 22:44:21,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/data/a116bbe74/58879fb8ca7d4e058db9d814fc5bdf6e [2021-11-13 22:44:21,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:44:21,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:44:21,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:21,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:44:21,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:44:21,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ac06a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21, skipping insertion in model container [2021-11-13 22:44:21,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:44:21,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:44:21,507 WARN L228 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_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/sv-benchmarks/c/array-patterns/array9_pattern.c[1352,1365] [2021-11-13 22:44:21,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:21,539 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:44:21,555 WARN L228 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_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/sv-benchmarks/c/array-patterns/array9_pattern.c[1352,1365] [2021-11-13 22:44:21,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:21,583 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:44:21,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21 WrapperNode [2021-11-13 22:44:21,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:21,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:21,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:44:21,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:44:21,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:21,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:44:21,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:44:21,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:44:21,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:44:21,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:44:21,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:44:21,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:44:21,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:21" (1/1) ... [2021-11-13 22:44:21,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:21,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:44:21,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:44:21,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0741e6-8e62-4b9b-a28f-d08112cd36b9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:44:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 22:44:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 22:44:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:44:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:44:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:44:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:44:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:44:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:44:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:44:22,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:44:22,162 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 22:44:22,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:22 BoogieIcfgContainer [2021-11-13 22:44:22,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:44:22,166 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:44:22,170 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:44:22,181 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:44:22,181 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:22" (1/1) ... [2021-11-13 22:44:22,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:44:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-13 22:44:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-13 22:44:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:44:22,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:22,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-13 22:44:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 22:44:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:44:22,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:22,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:22,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 22:44:22,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-13 22:44:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-13 22:44:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:44:23,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:23,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:23,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 22:44:23,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-13 22:44:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-13 22:44:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:44:23,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:23,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:23,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:44:23,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:23,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:44:23,649 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 27 treesize of output 15 [2021-11-13 22:44:24,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:44:24,541 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:44:24,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:44:26,101 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:44:26,102 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:44:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2021-11-13 22:44:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-11-13 22:44:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:44:30,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:30,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:30,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:44:30,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:30,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:44:30,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:44:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:44:32,212 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:44:32,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:44:32,380 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:44:32,380 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 44 treesize of output 28 [2021-11-13 22:44:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2021-11-13 22:44:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-11-13 22:44:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:44:35,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:35,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:35,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:44:35,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:35,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:44:35,274 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 [2021-11-13 22:44:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:44:35,683 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:44:35,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:44:35,859 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:44:35,860 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:44:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:35,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:35,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2021-11-13 22:44:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-11-13 22:44:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:44:35,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:35,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:36,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:44:36,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:36,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:44:36,147 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 [2021-11-13 22:44:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:44:42,555 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:44:42,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:44:45,998 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:44:45,999 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:44:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:16,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:16,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:16,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:45:16,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:16,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:16,863 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 [2021-11-13 22:45:17,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:17,228 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:17,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:17,381 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:17,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:17,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:17,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:17,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:45:17,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:17,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:17,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:45:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:22,187 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:22,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:22,332 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:45:22,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:45:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:22,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:22,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:22,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:45:22,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:22,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:22,500 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 [2021-11-13 22:45:22,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:22,815 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:22,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:22,951 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:22,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:23,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:23,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:23,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:23,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:45:23,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:23,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:23,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:45:23,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:23,386 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:23,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:23,522 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:23,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:23,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:23,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:23,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:45:23,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:23,662 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 [2021-11-13 22:45:23,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:45:23,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:23,983 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:23,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:24,099 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:24,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:24,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:24,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:24,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:45:24,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:24,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:24,253 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 [2021-11-13 22:45:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:25,739 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:25,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:25,890 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:25,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:25,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:25,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:25,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:45:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:26,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:26,046 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 27 treesize of output 15 [2021-11-13 22:45:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:27,496 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:27,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:27,653 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:27,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:27,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:27,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:27,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:45:27,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:27,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:27,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:45:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:28,106 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:28,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:28,234 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:28,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:28,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:28,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:28,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:45:28,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:28,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:28,369 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 42 treesize of output 25 [2021-11-13 22:45:28,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:28,692 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:28,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:28,824 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:28,825 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:28,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:28,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:28,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:45:28,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:28,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:28,981 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 27 treesize of output 15 [2021-11-13 22:45:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:29,242 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:29,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:29,378 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:29,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:29,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:29,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:29,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:45:29,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:29,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:29,512 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 [2021-11-13 22:45:34,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:34,252 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:34,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:34,393 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:45:34,394 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:45:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:34,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:34,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:34,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:45:34,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:34,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:34,537 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 27 treesize of output 15 [2021-11-13 22:45:35,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:35,908 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:35,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:36,059 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:45:36,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:45:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:36,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:36,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:36,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:36,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:45:36,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:36,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:45:36,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:45:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:40,931 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:40,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:41,083 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:45:41,083 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:45:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:45:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:45:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:45:41,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:41,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:41,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:45:41,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:41,203 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 [2021-11-13 22:45:41,227 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 27 treesize of output 15 [2021-11-13 22:45:48,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:45:48,143 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:45:48,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:45:48,288 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:45:48,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:45:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:01,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:01,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:01,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:46:01,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:01,317 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 [2021-11-13 22:46:01,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:01,626 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:01,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:01,746 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:01,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:01,794 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:01,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:01,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:01,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:46:01,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:01,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:01,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:08,232 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:08,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:08,349 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:46:08,350 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 42 treesize of output 28 [2021-11-13 22:46:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:08,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:08,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:08,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:46:08,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:08,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:08,471 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 [2021-11-13 22:46:10,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:10,026 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:10,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:10,134 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:10,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:10,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:10,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:10,196 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:10,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:10,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:10,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:46:10,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:10,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:10,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:14,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:14,772 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:14,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:14,882 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:46:14,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:46:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:14,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:14,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:14,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:46:14,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:14,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:15,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:15,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:15,269 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:15,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:15,381 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:15,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:15,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:15,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:15,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:15,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:46:15,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:15,479 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 [2021-11-13 22:46:15,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:15,726 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:15,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:15,854 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:15,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:15,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:15,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:15,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:15,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:46:15,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:15,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:15,994 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 27 treesize of output 15 [2021-11-13 22:46:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:17,309 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:17,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:17,421 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:17,421 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 44 treesize of output 28 [2021-11-13 22:46:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:17,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:17,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:17,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:46:17,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:17,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:17,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:18,877 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:18,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:18,994 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:18,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:19,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:19,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:19,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:19,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:46:19,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:19,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:19,148 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 27 treesize of output 15 [2021-11-13 22:46:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:25,390 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:25,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:25,492 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:46:25,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:46:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:25,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:25,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:25,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:46:25,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:25,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:25,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:46:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:25,908 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:25,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:26,015 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:26,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:26,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:26,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:26,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:26,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:46:26,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:26,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:26,148 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 27 treesize of output 15 [2021-11-13 22:46:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:26,443 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:26,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:26,541 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:26,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:26,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:26,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:26,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:46:26,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:26,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:26,679 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 [2021-11-13 22:46:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:26,899 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:26,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:26,999 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:27,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:27,039 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:27,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:27,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:27,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:46:27,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:27,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:27,124 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 27 treesize of output 15 [2021-11-13 22:46:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:27,382 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:27,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:27,487 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:27,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:27,527 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:27,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:27,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:27,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:46:27,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:27,585 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 [2021-11-13 22:46:27,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:27,848 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:27,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:27,957 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:27,957 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 44 treesize of output 28 [2021-11-13 22:46:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:28,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:28,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:28,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:46:28,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:28,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:28,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:29,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:29,398 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:29,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:29,549 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:29,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:29,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:29,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:29,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:46:29,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:29,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:29,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:29,899 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:29,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:29,998 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:29,999 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:30,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:30,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:30,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:46:30,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:30,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:30,099 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 27 treesize of output 15 [2021-11-13 22:46:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:31,496 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:31,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:31,605 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:31,605 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 44 treesize of output 28 [2021-11-13 22:46:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:31,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:31,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:31,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:31,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:46:31,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:31,695 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 [2021-11-13 22:46:31,712 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 27 treesize of output 15 [2021-11-13 22:46:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:33,124 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:46:33,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:46:33,263 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:46:33,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:46:33,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2021-11-13 22:46:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2021-11-13 22:46:33,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:33,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:33,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:33,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:46:33,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:46:33,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:46:33,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:46:41,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:46:41,407 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:46:41,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:46:42,717 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:46:42,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:46:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:01,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:01,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:01,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:01,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:01,272 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 [2021-11-13 22:47:01,288 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 27 treesize of output 15 [2021-11-13 22:47:01,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:01,527 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:01,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:01,652 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:01,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:01,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:01,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:01,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:01,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:01,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:01,772 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 [2021-11-13 22:47:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:03,204 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:03,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:03,307 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:03,308 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:03,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:03,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:03,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:03,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:03,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:03,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:03,683 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:03,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:03,809 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:03,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:03,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:03,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:03,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:03,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:03,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:03,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:05,271 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:05,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:05,378 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:05,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:05,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:05,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:05,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:05,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:05,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:05,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:05,711 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:05,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:05,809 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:05,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:05,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:05,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:05,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:05,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:05,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:05,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:06,143 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:06,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:06,241 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:06,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:06,294 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:06,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:06,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:06,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:06,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:06,344 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 [2021-11-13 22:47:06,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:06,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:06,590 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:06,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:06,685 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:06,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:06,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:06,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:06,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:06,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:06,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:06,774 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 27 treesize of output 15 [2021-11-13 22:47:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:08,096 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:08,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:08,191 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:08,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:08,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:08,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:08,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:08,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:08,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:08,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:08,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:12,998 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:12,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:13,105 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:47:13,105 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 42 treesize of output 28 [2021-11-13 22:47:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:13,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:13,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:13,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:47:13,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:13,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:13,219 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 [2021-11-13 22:47:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:19,336 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:19,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:19,442 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:47:19,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:47:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:19,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:19,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:19,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:19,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:19,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:19,565 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 27 treesize of output 15 [2021-11-13 22:47:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:20,947 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:20,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:21,058 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:21,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:21,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:21,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:21,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:21,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:21,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:21,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:21,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:25,791 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:25,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:25,892 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:47:25,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:47:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:25,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:25,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:25,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:25,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:25,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:26,015 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 [2021-11-13 22:47:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:30,495 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:30,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:30,610 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:47:30,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:47:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:30,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:30,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:30,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:30,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:30,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:30,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:35,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:35,188 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:35,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:35,290 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:47:35,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:47:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:35,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:35,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:35,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:35,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:35,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:35,385 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 27 treesize of output 15 [2021-11-13 22:47:36,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:36,775 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:36,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:36,883 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:36,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:36,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:36,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:36,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:36,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:36,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:36,966 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 [2021-11-13 22:47:36,997 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 27 treesize of output 15 [2021-11-13 22:47:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:41,778 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:41,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:41,889 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:47:41,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:47:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:41,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:41,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:41,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:41,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:41,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:42,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:43,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:43,488 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:43,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:43,598 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:43,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:43,635 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:43,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:43,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:43,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:43,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:43,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:43,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:43,711 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 [2021-11-13 22:47:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:43,956 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:43,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:44,070 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:44,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:44,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:44,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:44,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:44,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:44,151 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 [2021-11-13 22:47:44,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:45,595 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:45,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:45,713 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:45,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:45,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:45,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:45,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:45,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:45,812 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 [2021-11-13 22:47:45,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:46,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:46,085 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:46,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:46,194 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:46,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:46,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:46,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:46,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:46,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:46,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:46,302 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 [2021-11-13 22:47:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:47,749 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:47,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:47,889 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:47,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:47,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:47,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:47,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:47,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:47,995 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 [2021-11-13 22:47:48,018 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 27 treesize of output 15 [2021-11-13 22:47:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:53,080 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:53,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:53,224 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:47:53,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:47:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:53,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:53,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:53,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:53,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:53,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:53,353 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 27 treesize of output 15 [2021-11-13 22:47:54,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:54,712 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:54,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:54,822 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:54,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:54,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:54,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:54,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:54,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:54,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:54,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:55,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:55,158 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:47:55,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:47:55,274 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:55,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:47:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:47:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:47:55,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:55,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:55,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:55,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:55,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:55,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:55,397 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 27 treesize of output 15 [2021-11-13 22:48:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:00,234 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:00,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:00,345 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:48:00,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:48:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:00,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:00,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:00,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:00,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:00,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:00,457 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 27 treesize of output 15 [2021-11-13 22:48:00,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:00,680 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:00,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:00,792 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:00,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:00,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:00,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:00,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:00,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:00,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:00,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:02,303 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:02,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:02,423 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:02,423 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 44 treesize of output 28 [2021-11-13 22:48:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:02,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:02,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:02,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:02,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:02,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:02,533 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 27 treesize of output 15 [2021-11-13 22:48:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:04,004 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:04,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:04,126 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:04,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:04,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:04,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:04,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:04,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:04,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:04,220 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 [2021-11-13 22:48:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:04,445 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:04,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:04,558 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:04,558 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 44 treesize of output 28 [2021-11-13 22:48:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:04,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:04,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:04,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:04,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:04,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:04,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:04,899 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:04,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:05,004 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:05,005 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:05,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:05,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:05,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:05,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:05,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:05,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:05,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:06,504 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:06,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:06,617 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:06,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:06,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:06,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:06,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:06,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:06,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:06,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:07,073 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:07,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:07,220 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:07,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:07,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:07,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:07,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:07,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:07,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:07,342 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 [2021-11-13 22:48:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:08,750 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:08,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:08,863 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:08,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:08,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:08,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:08,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:08,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:08,938 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 [2021-11-13 22:48:08,958 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 [2021-11-13 22:48:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:09,212 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:09,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:09,323 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:09,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:09,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:09,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:09,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:09,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:09,414 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 [2021-11-13 22:48:09,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:09,710 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:09,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:09,818 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:09,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:09,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:09,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:09,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:09,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:09,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:09,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-13 22:48:10,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:10,192 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:10,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:10,301 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:10,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:10,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:10,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:10,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:48:10,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:10,399 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 [2021-11-13 22:48:10,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:16,957 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:16,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:17,062 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:48:17,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:48:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:17,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:17,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:17,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:17,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:17,151 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 [2021-11-13 22:48:17,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:18,577 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:18,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:18,689 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:18,689 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:18,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:18,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:18,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:18,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:18,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:18,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:20,215 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:20,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:20,359 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:20,359 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 44 treesize of output 28 [2021-11-13 22:48:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:20,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:20,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:20,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:20,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:20,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:20,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:21,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:21,840 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:21,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:21,961 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:21,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:21,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:22,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:22,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:22,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:22,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:22,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:48:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:22,393 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:22,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:22,532 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:22,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:22,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:22,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:22,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:22,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:22,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:22,659 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 [2021-11-13 22:48:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:22,886 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:22,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:23,006 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:23,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:23,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:23,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:23,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:23,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:23,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:23,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:27,909 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:27,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:28,026 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:48:28,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:48:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:28,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:28,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:28,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:28,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:28,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:28,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:28,351 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:28,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:28,459 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:28,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:28,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:28,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:28,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:28,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:28,557 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 [2021-11-13 22:48:28,578 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 27 treesize of output 15 [2021-11-13 22:48:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:28,831 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:28,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:28,972 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:28,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:29,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:29,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:29,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:29,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:29,077 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 [2021-11-13 22:48:29,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:29,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:29,356 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:29,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:29,465 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:29,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:29,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:29,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:29,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:29,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:29,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:29,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:34,373 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:34,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:34,495 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:48:34,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:48:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:34,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:34,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:34,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:34,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:34,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:34,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:34,837 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:34,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:34,969 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:34,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:35,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:35,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:35,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:35,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:35,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:35,075 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 27 treesize of output 15 [2021-11-13 22:48:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:35,304 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:35,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:35,415 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:35,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:35,448 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:35,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:35,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:35,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:35,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:35,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:35,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:35,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:35,762 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:35,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:35,873 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:35,873 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 44 treesize of output 28 [2021-11-13 22:48:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:35,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:35,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:35,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:35,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:35,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:35,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:35,997 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 27 treesize of output 15 [2021-11-13 22:48:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:40,883 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:40,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:41,004 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:48:41,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:48:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:41,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:41,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:41,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:41,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:41,095 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 [2021-11-13 22:48:41,115 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 27 treesize of output 15 [2021-11-13 22:48:45,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:45,873 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:45,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:46,002 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:48:46,003 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 42 treesize of output 28 [2021-11-13 22:48:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:46,037 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:46,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:46,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:46,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:46,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:48:46,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:46,100 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 [2021-11-13 22:48:46,116 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 27 treesize of output 15 [2021-11-13 22:48:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:46,367 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:46,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:46,493 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:46,494 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 44 treesize of output 28 [2021-11-13 22:48:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:46,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:46,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:46,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:46,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:46,581 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 [2021-11-13 22:48:46,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:47,962 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:47,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:48,099 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:48,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:48,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:48,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:48,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:48,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:48,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:48,209 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 27 treesize of output 15 [2021-11-13 22:48:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:49,600 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:49,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:49,757 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:49,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:49,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:49,808 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:49,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:49,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:49,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:49,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:49,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:49,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:49,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:51,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:51,387 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:51,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:51,505 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:51,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:51,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:51,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:51,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:51,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:51,581 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 [2021-11-13 22:48:51,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-13 22:48:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:51,859 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:51,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:51,982 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:51,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:52,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:52,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:52,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:52,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:52,064 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 [2021-11-13 22:48:52,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:56,730 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:56,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:56,846 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:48:56,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:48:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:56,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:56,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:56,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:56,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:56,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:56,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:48:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:57,223 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:57,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:57,347 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:57,347 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:57,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:57,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:57,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:57,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:57,441 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 [2021-11-13 22:48:57,460 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 27 treesize of output 15 [2021-11-13 22:48:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:57,680 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:57,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:57,796 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:57,796 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:57,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:57,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:57,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:57,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:57,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:57,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:59,303 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:59,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:59,426 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:59,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:59,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:59,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:59,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:59,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:59,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:59,524 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 [2021-11-13 22:48:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:59,759 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:48:59,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:48:59,883 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:59,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:48:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:48:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:48:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:59,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:59,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:59,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:59,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:59,979 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 [2021-11-13 22:48:59,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:00,236 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:00,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:00,366 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:00,366 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 44 treesize of output 28 [2021-11-13 22:49:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:00,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:00,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:00,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:00,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:00,466 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 [2021-11-13 22:49:00,491 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 [2021-11-13 22:49:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:00,757 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:00,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:00,883 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:00,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:00,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:00,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:00,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:00,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:00,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:00,992 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 27 treesize of output 15 [2021-11-13 22:49:01,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:01,232 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:01,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:01,361 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:01,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:01,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:01,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:01,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:01,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:01,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:01,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:01,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:01,695 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:01,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:01,817 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:01,817 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 44 treesize of output 28 [2021-11-13 22:49:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:01,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:01,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:01,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:01,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:01,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:01,912 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 [2021-11-13 22:49:02,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:02,163 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:02,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:02,283 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:02,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:02,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:02,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:02,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:02,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:02,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:02,397 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 27 treesize of output 15 [2021-11-13 22:49:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:07,171 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:07,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:07,302 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:49:07,303 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 42 treesize of output 28 [2021-11-13 22:49:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:07,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:07,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:07,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:07,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:49:07,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:07,393 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 [2021-11-13 22:49:07,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:14,012 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:14,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:14,137 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:49:14,137 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 42 treesize of output 28 [2021-11-13 22:49:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:14,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:14,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:14,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:14,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:14,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:14,239 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 [2021-11-13 22:49:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:19,045 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:19,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:19,163 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:49:19,163 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:49:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:19,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:19,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:19,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:19,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:19,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:19,263 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 27 treesize of output 15 [2021-11-13 22:49:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:19,532 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:19,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:19,655 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:19,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:19,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:19,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:19,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:19,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:19,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:19,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:19,996 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:19,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:20,118 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:20,118 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 44 treesize of output 28 [2021-11-13 22:49:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:20,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:20,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:20,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:20,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:20,199 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 [2021-11-13 22:49:20,219 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 [2021-11-13 22:49:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:21,684 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:21,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:21,808 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:21,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:21,842 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:21,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:21,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:21,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:21,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:21,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:21,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:26,741 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:26,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:26,861 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:49:26,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:49:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:26,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:26,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:26,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:26,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:26,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:26,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:26,943 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 [2021-11-13 22:49:26,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:27,215 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:27,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:27,345 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:27,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:27,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:27,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:27,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:27,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:27,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:27,446 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 [2021-11-13 22:49:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:27,669 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:27,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:27,788 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:27,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:27,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:27,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:27,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:27,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:27,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:27,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:28,156 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:28,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:28,275 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:28,275 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 44 treesize of output 28 [2021-11-13 22:49:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:28,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:28,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:28,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:28,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:28,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:28,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:28,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:28,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:28,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:28,626 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:28,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:28,746 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:28,747 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 44 treesize of output 28 [2021-11-13 22:49:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:28,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:28,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:28,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:28,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:28,846 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 [2021-11-13 22:49:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:29,079 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:29,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:29,197 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:29,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:29,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:29,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:29,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:29,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:29,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:29,320 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 27 treesize of output 15 [2021-11-13 22:49:29,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:29,585 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:29,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:29,720 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:29,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:29,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:29,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:29,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:29,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:29,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:29,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:34,565 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:34,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:34,703 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:49:34,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:49:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:34,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:34,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:34,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:49:34,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:34,790 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 [2021-11-13 22:49:34,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:35,038 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:35,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:35,163 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:35,163 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:35,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:35,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:35,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:35,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:35,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:35,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:35,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:40,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:40,030 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:40,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:40,157 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:49:40,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:49:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:40,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:40,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:40,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:40,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:40,240 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 [2021-11-13 22:49:40,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:45,053 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:45,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:45,175 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:49:45,175 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 42 treesize of output 28 [2021-11-13 22:49:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 78 transitions. [2021-11-13 22:49:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 78 transitions. [2021-11-13 22:49:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:45,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:45,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:45,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:49:45,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:45,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:45,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:53,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:53,150 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:49:53,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:49:53,241 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:49:53,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:49:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:49:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:49:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:57,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:57,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:57,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:57,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:57,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:57,097 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 [2021-11-13 22:49:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:58,517 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:49:58,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:49:58,636 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:58,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:49:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:58,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:49:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:49:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:58,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:58,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:58,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:58,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:58,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:58,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:03,556 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:03,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:03,688 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:50:03,688 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 42 treesize of output 28 [2021-11-13 22:50:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:03,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:03,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:03,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:03,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:03,784 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 [2021-11-13 22:50:03,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:04,033 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:04,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:04,177 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:04,177 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:04,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:04,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:04,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:04,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:04,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:04,276 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 [2021-11-13 22:50:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:05,689 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:05,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:05,814 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:05,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:05,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:05,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:05,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:05,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:05,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:05,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:05,926 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 27 treesize of output 15 [2021-11-13 22:50:07,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:07,310 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:07,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:07,437 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:07,437 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:07,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:07,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:07,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:50:07,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:07,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:07,564 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 [2021-11-13 22:50:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:14,040 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:14,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:14,170 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:50:14,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:50:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:14,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:14,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:14,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:50:14,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:14,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:14,270 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 27 treesize of output 15 [2021-11-13 22:50:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:21,990 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:50:21,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:50:22,059 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:50:22,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:50:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:22,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:22,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:22,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:22,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:22,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:22,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:22,145 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 27 treesize of output 15 [2021-11-13 22:50:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:23,546 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:23,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:23,673 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:23,673 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:23,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:23,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:23,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:23,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:23,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:23,767 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 27 treesize of output 15 [2021-11-13 22:50:24,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:24,060 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:24,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:24,189 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:24,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:24,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:24,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:24,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:24,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:24,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:24,294 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 27 treesize of output 15 [2021-11-13 22:50:28,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:28,963 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:28,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:29,087 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:50:29,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:50:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:29,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:29,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:29,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:29,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:29,186 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 [2021-11-13 22:50:29,202 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 42 treesize of output 25 [2021-11-13 22:50:29,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:29,470 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:29,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:29,604 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:29,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:29,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:29,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:29,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:29,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:29,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:29,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:29,715 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 27 treesize of output 15 [2021-11-13 22:50:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:31,095 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:31,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:31,224 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:31,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:31,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:31,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:31,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:31,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:31,320 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 [2021-11-13 22:50:31,342 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 [2021-11-13 22:50:35,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:35,984 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:35,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:36,119 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:50:36,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:50:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:36,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:36,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:36,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:36,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:36,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:36,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:36,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:36,441 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:36,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:36,574 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:36,574 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 44 treesize of output 28 [2021-11-13 22:50:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:36,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:36,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:36,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:36,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:36,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:36,661 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 42 treesize of output 25 [2021-11-13 22:50:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:36,942 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:36,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:37,069 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:37,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:37,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:37,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:37,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:37,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:37,168 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 [2021-11-13 22:50:37,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:37,493 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:37,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:37,616 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:37,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:37,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:37,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:37,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:37,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:37,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:37,716 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 27 treesize of output 15 [2021-11-13 22:50:37,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:37,948 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:37,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:38,077 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:38,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:38,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:38,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:38,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:38,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:38,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:38,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:38,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:38,428 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:38,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:38,557 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:38,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:38,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:38,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:38,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:38,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:38,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:38,670 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 27 treesize of output 15 [2021-11-13 22:50:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:40,235 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:40,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:40,363 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:40,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:40,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:40,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:40,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:40,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:40,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:40,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:40,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:41,851 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:41,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:41,979 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:41,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:42,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:42,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:42,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:42,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:42,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:42,058 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 [2021-11-13 22:50:42,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:43,452 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:43,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:43,586 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:43,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:43,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:43,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:43,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:43,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:43,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:43,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:45,050 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:45,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:45,183 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:45,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:45,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:45,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:45,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:45,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:45,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:45,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:45,575 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:45,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:45,704 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:45,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:45,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:45,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:45,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:45,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:45,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:45,796 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 [2021-11-13 22:50:45,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:46,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:46,097 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:46,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:46,230 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:46,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:46,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:46,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:46,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:46,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:46,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:46,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:46,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:46,620 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:46,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:46,750 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:46,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:46,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:46,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:46,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:46,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:47,185 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:47,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:47,314 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:47,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:47,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:47,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:47,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:47,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:47,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:47,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:47,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2021-11-13 22:50:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:47,688 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:47,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:47,827 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:47,827 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:47,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:47,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:47,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:47,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:47,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:47,924 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 27 treesize of output 15 [2021-11-13 22:50:48,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:48,156 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:48,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:48,292 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:48,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:48,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:48,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:48,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:48,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:48,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:48,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:49,791 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:49,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:49,931 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:49,932 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 44 treesize of output 28 [2021-11-13 22:50:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:49,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:49,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:50,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:50,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:50,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:50,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:54,844 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:54,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:54,973 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:50:54,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:50:54,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:55,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:55,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:55,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:55,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:55,046 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 [2021-11-13 22:50:55,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:50:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:55,330 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:55,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:55,462 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:55,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:55,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:55,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:55,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:55,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:55,579 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 [2021-11-13 22:50:55,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:55,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:55,949 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:55,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:56,094 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:56,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:56,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:56,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:56,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:56,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:56,193 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 [2021-11-13 22:50:56,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:50:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:56,506 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:56,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:56,654 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:56,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:56,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:56,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:56,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:56,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:56,751 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 [2021-11-13 22:50:56,767 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 27 treesize of output 15 [2021-11-13 22:50:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:57,020 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:57,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:57,161 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:57,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:57,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:57,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:57,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:57,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:57,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:57,276 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 [2021-11-13 22:50:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:58,672 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:50:58,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:50:58,811 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:58,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:50:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:50:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:50:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:58,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:58,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:58,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:58,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:58,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:58,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:00,275 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:00,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:00,410 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:00,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:00,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:00,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:00,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:00,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:00,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:00,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:00,735 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:00,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:00,872 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:00,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:00,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:00,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:00,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:51:00,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:00,963 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 [2021-11-13 22:51:00,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:07,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:07,371 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:07,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:07,503 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:51:07,503 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 42 treesize of output 28 [2021-11-13 22:51:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:07,537 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:07,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:07,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:07,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:07,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:07,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:07,617 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 [2021-11-13 22:51:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:07,882 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:07,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:08,027 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:08,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:08,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:08,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:08,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:08,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:08,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:08,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:08,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:09,522 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:09,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:09,661 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:09,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:09,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:09,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:09,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:09,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:09,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:09,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:10,087 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:10,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:10,268 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:10,268 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 44 treesize of output 28 [2021-11-13 22:51:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:10,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:10,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:10,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:10,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:10,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:10,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:15,028 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:15,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:15,160 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:51:15,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:51:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:15,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:15,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:15,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:15,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:15,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:15,262 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 27 treesize of output 15 [2021-11-13 22:51:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:15,569 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:15,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:15,705 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:15,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:15,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:15,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:15,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:15,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:15,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:15,828 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 42 treesize of output 25 [2021-11-13 22:51:16,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:16,185 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:16,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:16,363 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:16,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:16,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:16,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:16,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:16,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:16,462 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 [2021-11-13 22:51:16,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:18,050 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:18,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:18,186 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:18,186 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:18,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:18,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:18,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:18,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:18,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:18,317 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 [2021-11-13 22:51:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:20,022 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:20,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:20,163 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:20,163 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:20,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:20,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:20,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:20,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:20,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:20,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:20,534 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:20,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:20,678 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:20,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:20,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:20,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:20,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:20,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:20,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:20,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:20,778 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 27 treesize of output 15 [2021-11-13 22:51:21,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:21,035 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:21,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:21,179 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:21,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:21,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:21,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:21,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:21,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:21,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:21,297 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 [2021-11-13 22:51:22,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:22,842 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:22,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:22,985 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:22,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:23,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:23,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:23,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:23,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:23,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:23,077 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 [2021-11-13 22:51:24,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:24,481 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:24,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:24,619 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:24,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:24,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:24,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:24,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:24,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:24,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:24,712 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 27 treesize of output 15 [2021-11-13 22:51:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:24,942 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:24,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:25,078 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:25,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:25,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:25,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:25,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:25,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:25,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:25,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:26,585 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:26,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:26,726 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:26,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:26,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:26,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:26,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:26,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:26,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:26,815 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 [2021-11-13 22:51:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:28,221 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:28,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:28,365 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:28,366 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 44 treesize of output 28 [2021-11-13 22:51:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:28,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:28,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:28,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:28,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:28,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:28,473 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 27 treesize of output 15 [2021-11-13 22:51:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:28,729 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:28,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:28,872 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:28,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:28,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:28,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:28,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:28,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:28,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:28,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:28,962 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 [2021-11-13 22:51:28,983 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 [2021-11-13 22:51:29,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:29,215 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:29,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:29,366 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:29,367 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 44 treesize of output 28 [2021-11-13 22:51:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:29,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:29,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:29,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:29,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:29,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:29,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:30,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:30,873 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:30,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:31,022 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:31,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:31,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:31,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:31,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:31,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:31,106 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 [2021-11-13 22:51:31,130 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 27 treesize of output 15 [2021-11-13 22:51:31,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:31,391 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:31,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:31,532 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:31,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:31,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:31,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:31,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:31,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:31,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:31,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:31,892 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:31,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:32,031 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:32,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:32,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:32,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:32,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:32,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:32,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:32,107 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 [2021-11-13 22:51:32,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:32,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:32,372 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:32,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:32,516 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:32,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:32,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:32,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:32,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:32,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:32,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:32,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:32,960 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:32,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:33,140 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:33,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:33,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:33,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:33,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:33,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:33,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:33,220 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 [2021-11-13 22:51:33,235 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 42 treesize of output 25 [2021-11-13 22:51:33,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:33,537 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:33,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:33,682 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:33,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:33,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:33,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:33,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:33,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:33,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:33,789 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 42 treesize of output 25 [2021-11-13 22:51:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:34,071 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:34,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:34,217 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:34,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:34,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:34,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:34,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:34,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:34,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:34,343 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 27 treesize of output 15 [2021-11-13 22:51:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:34,583 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:34,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:34,742 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:34,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:34,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:34,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:34,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:34,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:34,828 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 [2021-11-13 22:51:34,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:36,255 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:36,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:36,404 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:36,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:36,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:36,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:36,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:36,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:36,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:36,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:36,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:36,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:51:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:36,784 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:36,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:36,927 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:36,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:36,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:36,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:36,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:36,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:37,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:37,018 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 27 treesize of output 15 [2021-11-13 22:51:38,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:38,462 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:38,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:38,607 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:38,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:38,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:38,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:38,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:38,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:38,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:38,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:38,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:43,324 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:43,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:43,470 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:51:43,470 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:51:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:43,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:43,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:43,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:43,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:43,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:43,565 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 27 treesize of output 15 [2021-11-13 22:51:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:43,812 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:43,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:43,963 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:43,963 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:44,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:44,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:44,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:44,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:44,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:44,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:44,332 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:44,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:44,478 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:44,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:44,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:44,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:44,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:44,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:44,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:44,578 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 27 treesize of output 15 [2021-11-13 22:51:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:45,974 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:45,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:46,131 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:46,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:46,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:46,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:46,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:46,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:46,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:46,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:46,528 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:46,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:46,679 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:46,679 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 44 treesize of output 28 [2021-11-13 22:51:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:46,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:46,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:46,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:46,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:46,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:46,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:47,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:47,037 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:47,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:47,188 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:47,188 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:47,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:47,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:47,266 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 [2021-11-13 22:51:47,279 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 27 treesize of output 15 [2021-11-13 22:51:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:48,682 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:48,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:48,832 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:48,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:48,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:48,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:48,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:48,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:48,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:48,924 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 27 treesize of output 15 [2021-11-13 22:51:50,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:50,337 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:50,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:50,486 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:50,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:50,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:50,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:50,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:50,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:50,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:50,565 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 [2021-11-13 22:51:50,585 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 27 treesize of output 15 [2021-11-13 22:51:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:55,409 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:55,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:55,552 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:51:55,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:51:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:55,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:55,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:55,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:55,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:55,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:55,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:57,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:57,045 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:51:57,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:51:57,201 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:57,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:51:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:57,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:51:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:51:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:57,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:57,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:57,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:57,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:57,288 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 [2021-11-13 22:51:57,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:01,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:01,994 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:01,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:02,133 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:52:02,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:52:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:02,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:02,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:02,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:02,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:02,208 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 [2021-11-13 22:52:02,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:03,627 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:03,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:03,772 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:03,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:03,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:03,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:03,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:03,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:03,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:03,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:08,513 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:08,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:08,657 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:52:08,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:52:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:08,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:08,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:08,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:08,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:08,733 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 [2021-11-13 22:52:08,752 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 [2021-11-13 22:52:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:09,023 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:09,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:09,171 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:09,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:09,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:09,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:09,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:09,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:09,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:09,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:09,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:09,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:09,524 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:09,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:09,681 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:09,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:09,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:09,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:09,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:09,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:09,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:09,778 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 27 treesize of output 15 [2021-11-13 22:52:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:10,027 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:10,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:10,184 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:10,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:10,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:10,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:10,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:10,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:10,261 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 [2021-11-13 22:52:10,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:10,529 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:10,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:10,680 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:10,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:10,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:10,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:10,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:10,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:10,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:10,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:10,767 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 [2021-11-13 22:52:10,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:12,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:12,206 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:12,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:12,366 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:12,366 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 44 treesize of output 28 [2021-11-13 22:52:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:12,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:12,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:12,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:12,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:12,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:12,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:12,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:12,715 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:12,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:12,877 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:12,877 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 44 treesize of output 28 [2021-11-13 22:52:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:12,924 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:12,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:12,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:12,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:12,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:12,979 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 [2021-11-13 22:52:12,998 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 [2021-11-13 22:52:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:14,409 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:14,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:14,570 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:14,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:14,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:14,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:14,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:14,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:14,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:14,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:14,663 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 27 treesize of output 15 [2021-11-13 22:52:16,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:16,054 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:16,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:16,212 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:16,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:16,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:16,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:16,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:16,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:16,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:16,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:16,575 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:16,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:16,734 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:16,734 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:16,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:16,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:16,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:16,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:16,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:16,836 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 [2021-11-13 22:52:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:21,399 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:21,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:21,543 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:52:21,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:52:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:21,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:21,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:21,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:21,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:21,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:21,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:23,059 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:23,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:23,219 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:23,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:23,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:23,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:23,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:23,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:23,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:23,315 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 27 treesize of output 15 [2021-11-13 22:52:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:24,729 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:24,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:24,893 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:24,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:24,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:24,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:24,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:24,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:24,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:24,969 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 [2021-11-13 22:52:24,984 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 27 treesize of output 15 [2021-11-13 22:52:26,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:26,387 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:26,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:26,554 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:26,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:26,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:26,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:26,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:26,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:26,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:26,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:28,112 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:28,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:28,269 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:28,269 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 44 treesize of output 28 [2021-11-13 22:52:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:28,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:28,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:28,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:28,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:28,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:28,355 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 [2021-11-13 22:52:28,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:29,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:29,846 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:29,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:30,007 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:30,008 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 44 treesize of output 28 [2021-11-13 22:52:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:30,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:30,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:30,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:30,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:30,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:30,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:30,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:31,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:31,538 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:31,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:31,701 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:31,701 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 44 treesize of output 28 [2021-11-13 22:52:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:31,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:31,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:31,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:31,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:31,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:31,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:31,792 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 27 treesize of output 15 [2021-11-13 22:52:32,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:32,077 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:32,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:32,236 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:32,236 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:32,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:32,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:32,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:32,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:32,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:32,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:32,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:33,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:33,758 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:33,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:33,924 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:33,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:33,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:33,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:33,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:33,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:34,010 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 [2021-11-13 22:52:34,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:35,425 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:35,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:35,599 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:35,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:35,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:35,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:35,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:35,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:35,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:35,690 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 [2021-11-13 22:52:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:37,130 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:37,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:37,290 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:37,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:37,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:37,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:37,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:37,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:37,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:37,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:42,190 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:42,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:42,340 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:52:42,340 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:52:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:42,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:42,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:42,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:42,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:42,442 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 [2021-11-13 22:52:42,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:42,825 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:42,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:43,028 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:43,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:43,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:43,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:43,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:43,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:43,121 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 [2021-11-13 22:52:43,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:43,421 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:43,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:43,587 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:43,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:43,621 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:43,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:43,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:43,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:43,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:43,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:43,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:43,935 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:43,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:44,091 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:44,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:52:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:44,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:44,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:44,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:44,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:44,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:44,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:44,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:48,891 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:48,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:49,089 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:52:49,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:52:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:49,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:49,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:49,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:49,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:52:49,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:49,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:49,219 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 [2021-11-13 22:52:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:55,612 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:52:55,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:52:55,772 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:52:55,773 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 42 treesize of output 28 [2021-11-13 22:52:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:55,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:52:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:52:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:55,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:55,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:55,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:55,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:55,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:55,903 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 27 treesize of output 15 [2021-11-13 22:53:00,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:00,685 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:00,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:00,840 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:53:00,840 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 42 treesize of output 28 [2021-11-13 22:53:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:00,873 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:00,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:00,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:00,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:00,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:00,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:00,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:53:01,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:01,239 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:01,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:01,410 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:01,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:01,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:01,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:01,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:01,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:01,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:01,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:01,761 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:01,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:01,934 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:01,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:01,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:01,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:02,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:02,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:02,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:02,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:02,403 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:02,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:02,574 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:02,574 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 44 treesize of output 28 [2021-11-13 22:53:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:02,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:02,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:02,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:02,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:02,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:02,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:02,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:02,916 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:02,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:03,079 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:03,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:03,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:03,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:03,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:03,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:03,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:03,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:03,431 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:03,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:03,599 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:03,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:03,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:03,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:03,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:03,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:03,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:03,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:05,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:05,128 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:05,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:05,299 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:05,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:05,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:05,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:05,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:05,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:05,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:05,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:05,666 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:05,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:05,876 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:05,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:05,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:05,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:05,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:05,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:05,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:05,953 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 [2021-11-13 22:53:05,971 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 [2021-11-13 22:53:07,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:07,424 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:07,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:07,594 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:07,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:07,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:07,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:07,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:07,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:07,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:07,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:12,410 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:12,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:12,565 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:53:12,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:53:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:12,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:12,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:12,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:12,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:12,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:12,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:14,056 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:14,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:14,224 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:14,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:14,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:14,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:14,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:14,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:14,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:14,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:14,601 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:14,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:14,808 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:14,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:14,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:14,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:14,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:14,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:14,901 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 [2021-11-13 22:53:14,925 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 27 treesize of output 15 [2021-11-13 22:53:16,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:16,385 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:16,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:16,556 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:16,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:16,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:16,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:16,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:16,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:16,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:16,668 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 27 treesize of output 15 [2021-11-13 22:53:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:16,931 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:16,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:17,122 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:17,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:17,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:17,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:17,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:17,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:17,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:17,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:17,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:21,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:21,877 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:21,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:22,037 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:53:22,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:53:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:22,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:22,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:22,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:22,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:22,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:22,138 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 27 treesize of output 15 [2021-11-13 22:53:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:26,881 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:26,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:27,036 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:53:27,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:53:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:27,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:27,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:27,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:27,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:27,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:27,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:27,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:28,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:28,535 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:28,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:28,703 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:28,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:28,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:28,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:28,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:28,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:28,784 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 [2021-11-13 22:53:28,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:33,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:33,565 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:33,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:33,729 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:53:33,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:53:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:33,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:33,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:33,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:33,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:33,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:33,828 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 27 treesize of output 15 [2021-11-13 22:53:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:34,083 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:34,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:34,259 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:34,259 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 44 treesize of output 28 [2021-11-13 22:53:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:34,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:34,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:34,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:34,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:34,343 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 [2021-11-13 22:53:34,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:34,618 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:34,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:34,790 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:34,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:34,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:34,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:34,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:34,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:34,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:34,890 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 [2021-11-13 22:53:39,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:39,600 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:39,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:39,764 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:53:39,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:53:39,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:39,796 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:39,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:39,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:39,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:39,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:39,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:39,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:44,576 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:44,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:44,737 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:53:44,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:53:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:44,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:44,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:44,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:44,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:44,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:44,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:44,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:46,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:46,250 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:46,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:46,425 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:46,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:46,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:46,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:46,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:46,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:46,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:46,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:46,791 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:46,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:46,959 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:46,959 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 44 treesize of output 28 [2021-11-13 22:53:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:46,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:46,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:47,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:47,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:47,040 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 [2021-11-13 22:53:47,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-13 22:53:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:47,363 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:53:47,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:53:47,542 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:47,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:53:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:53:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:53:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:47,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:47,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:47,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:53:47,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:47,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:47,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:53,978 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:53:53,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:53:59,113 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:53:59,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:53:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:10,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:10,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:10,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:10,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:10,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:10,863 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 [2021-11-13 22:54:11,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:11,123 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:11,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:11,298 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:11,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:11,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:11,334 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:11,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:11,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:11,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:11,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:11,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:11,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:12,797 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:12,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:12,970 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:12,970 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:13,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:13,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:13,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:13,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:13,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:13,069 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 [2021-11-13 22:54:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:13,349 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:13,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:13,522 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:13,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:13,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:13,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:13,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:13,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:13,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:13,623 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 27 treesize of output 15 [2021-11-13 22:54:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:13,911 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:13,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:14,083 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:14,083 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:14,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:14,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:14,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:14,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:14,160 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 [2021-11-13 22:54:14,190 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 27 treesize of output 15 [2021-11-13 22:54:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:14,478 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:14,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:14,648 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:14,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:14,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:14,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:14,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:14,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:14,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:14,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:16,196 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:16,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:16,392 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:16,392 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 44 treesize of output 28 [2021-11-13 22:54:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:16,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:16,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:16,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:16,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:16,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:16,489 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 42 treesize of output 25 [2021-11-13 22:54:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:16,814 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:16,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:17,019 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:17,019 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:17,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:17,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:17,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:17,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:17,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:17,118 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 [2021-11-13 22:54:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:18,652 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:18,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:18,851 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:18,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:18,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:18,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:18,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:18,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:18,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:18,961 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 [2021-11-13 22:54:20,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:20,480 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:20,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:20,683 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:20,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:20,718 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:20,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:20,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:20,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:20,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:20,767 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 [2021-11-13 22:54:20,784 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 [2021-11-13 22:54:21,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:21,042 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:21,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:21,243 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:21,244 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:21,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:21,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:21,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:21,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:21,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:21,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:22,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:22,879 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:22,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:23,084 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:23,084 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 44 treesize of output 28 [2021-11-13 22:54:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:23,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:23,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:23,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:23,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:23,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:23,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:23,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:23,477 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:23,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:23,683 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:23,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:23,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:23,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:23,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:23,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:23,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:23,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:23,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-13 22:54:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:24,202 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:24,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:24,412 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:24,412 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 44 treesize of output 28 [2021-11-13 22:54:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:24,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:24,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:24,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:24,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:24,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:24,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:24,501 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 [2021-11-13 22:54:24,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:25,995 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:25,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:26,194 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:26,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:26,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:26,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:26,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:26,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:26,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:26,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:31,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:31,144 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:31,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:31,257 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:54:31,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:54:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:31,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:31,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:31,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:31,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:31,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:31,351 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 27 treesize of output 15 [2021-11-13 22:54:31,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:31,613 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:31,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:31,819 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:31,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:31,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:31,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:31,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:31,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:31,898 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 [2021-11-13 22:54:31,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:54:32,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:32,222 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:32,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:32,404 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:32,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:32,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:32,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:32,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:32,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:32,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:32,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:32,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:32,774 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:32,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:32,958 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:32,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:32,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:32,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:33,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:33,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:33,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:33,057 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 [2021-11-13 22:54:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:34,516 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:34,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:34,700 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:34,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:34,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:34,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:34,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:34,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:34,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:34,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:36,245 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:36,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:36,427 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:36,427 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:36,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:36,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:36,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:36,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:36,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:36,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:37,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:38,004 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:38,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:38,211 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:38,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:38,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:38,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:38,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:38,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:38,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:38,325 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 [2021-11-13 22:54:39,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:39,822 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:39,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:40,029 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:40,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:40,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:40,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:40,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:40,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:40,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:40,111 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 [2021-11-13 22:54:40,128 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 [2021-11-13 22:54:40,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:40,411 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:40,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:40,605 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:40,605 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 44 treesize of output 28 [2021-11-13 22:54:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:40,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:40,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:40,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:40,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:40,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:40,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:40,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:42,174 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:42,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:42,379 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:42,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:42,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:42,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:42,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:42,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:54:42,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:42,462 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 [2021-11-13 22:54:42,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:50,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:50,437 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:54:50,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:54:50,512 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:54:50,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:54:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:50,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:50,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:50,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:50,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:50,603 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 [2021-11-13 22:54:50,625 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 [2021-11-13 22:54:52,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:52,232 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:52,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:52,444 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:52,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:52,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:52,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:52,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:52,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:52,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:52,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:52,824 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:52,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:53,027 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:53,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:53,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:53,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:53,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:53,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:53,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:53,106 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 [2021-11-13 22:54:53,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:53,381 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:53,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:53,574 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:53,574 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 44 treesize of output 28 [2021-11-13 22:54:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:53,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:53,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:53,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:53,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:53,661 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 [2021-11-13 22:54:53,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:58,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:58,461 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:58,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:58,574 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:54:58,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:54:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:58,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:58,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:58,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:58,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:58,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:58,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:58,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:58,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:58,959 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:54:58,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:54:59,157 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:59,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:54:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:54:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:54:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:59,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:59,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:59,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:59,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:59,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:59,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:00,778 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:00,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:00,967 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:00,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:01,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:01,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:01,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:01,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:01,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:55:01,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:01,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:01,060 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 27 treesize of output 15 [2021-11-13 22:55:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:02,509 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:02,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:02,704 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:02,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:02,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:02,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:02,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:02,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:02,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:02,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:02,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:02,815 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 [2021-11-13 22:55:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:07,580 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:07,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:07,691 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:07,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:07,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:07,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:07,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:07,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:07,771 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 [2021-11-13 22:55:07,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:08,058 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:08,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:08,255 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:08,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:08,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:08,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:08,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:08,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:08,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:08,351 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 27 treesize of output 15 [2021-11-13 22:55:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:08,616 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:08,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:08,813 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:08,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:08,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:08,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:08,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:08,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:08,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:08,912 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 [2021-11-13 22:55:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:13,693 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:13,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:13,807 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:13,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:13,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:13,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:13,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:55:13,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:13,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:13,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:15,358 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:15,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:15,551 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:15,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:15,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:15,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:15,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:15,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:15,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:15,653 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 27 treesize of output 15 [2021-11-13 22:55:20,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:20,491 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:20,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:20,618 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:20,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:20,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:20,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:20,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:20,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:20,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:20,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:25,388 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:25,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:25,506 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:25,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:25,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:25,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:25,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:25,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:25,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:25,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:30,396 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:30,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:30,509 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:30,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:30,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:30,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:30,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:30,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:30,591 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 [2021-11-13 22:55:30,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:30,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:30,883 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:30,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:31,076 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:31,076 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 44 treesize of output 28 [2021-11-13 22:55:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:31,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:31,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:31,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:31,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:31,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:31,181 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 [2021-11-13 22:55:31,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:31,454 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:31,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:31,650 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:31,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:31,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:31,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:31,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:31,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:31,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:31,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:36,455 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:36,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:36,570 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:36,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:36,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:36,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:36,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:36,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:36,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:36,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:36,679 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 [2021-11-13 22:55:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:36,983 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:36,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:37,184 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:37,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:37,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:37,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:37,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:37,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:37,278 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 [2021-11-13 22:55:37,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:41,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:41,938 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:41,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:42,050 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:42,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:42,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:42,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:42,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:42,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:55:42,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:42,129 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 [2021-11-13 22:55:42,144 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 27 treesize of output 15 [2021-11-13 22:55:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:43,610 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:43,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:43,799 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:43,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:43,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:43,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:43,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:43,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:43,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:43,892 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 27 treesize of output 15 [2021-11-13 22:55:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:44,169 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:44,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:44,364 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:44,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:44,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:44,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:44,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:44,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:44,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:44,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:44,468 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 [2021-11-13 22:55:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:44,742 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:44,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:44,944 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:44,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:44,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:44,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:45,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:45,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:45,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:45,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:45,372 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:45,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:45,574 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:45,574 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 44 treesize of output 28 [2021-11-13 22:55:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:45,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:45,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:45,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:55:45,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:45,668 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 [2021-11-13 22:55:45,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:47,163 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:47,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:47,378 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:47,378 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 44 treesize of output 28 [2021-11-13 22:55:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:47,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:47,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:47,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:47,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:47,462 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 [2021-11-13 22:55:47,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:47,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:47,749 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:47,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:47,949 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:47,949 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 44 treesize of output 28 [2021-11-13 22:55:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:47,983 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:47,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:47,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:48,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:48,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:48,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:48,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:48,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:48,320 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:48,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:48,520 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:48,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:48,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:48,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:48,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:48,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:48,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:48,635 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 [2021-11-13 22:55:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:48,912 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:48,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:49,113 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:49,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:55:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:49,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:49,147 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:49,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:49,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:49,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:55:49,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:49,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:49,231 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 27 treesize of output 15 [2021-11-13 22:55:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:55,729 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:55:55,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:55:55,848 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:55:55,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:55:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:55:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:55:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:55,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:55,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:55,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:55:55,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:55,936 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 [2021-11-13 22:55:55,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:00,772 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:00,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:00,887 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:00,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:00,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:00,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:00,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:56:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:00,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:00,995 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 27 treesize of output 15 [2021-11-13 22:56:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:07,334 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:07,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:07,455 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:07,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:07,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:07,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:07,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:56:07,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:07,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:07,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:13,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:14,015 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:14,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:14,130 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:14,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:14,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:14,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:14,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:14,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:14,209 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 [2021-11-13 22:56:14,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:14,494 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:14,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:14,691 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:14,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:56:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:14,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:14,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:14,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:56:14,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:14,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:14,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:16,379 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:16,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:16,568 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:16,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:56:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:16,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:16,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:16,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:16,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:16,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:16,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:16,924 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:16,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:17,112 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:17,112 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 44 treesize of output 28 [2021-11-13 22:56:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:17,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:17,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:17,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:56:17,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:17,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:17,202 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 27 treesize of output 15 [2021-11-13 22:56:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:18,623 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:18,825 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:18,825 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:56:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:18,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:18,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:18,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:18,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:18,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:18,909 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 [2021-11-13 22:56:18,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:19,203 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:19,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:19,406 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:19,406 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:56:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:19,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:19,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:19,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:19,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:19,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:19,487 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 [2021-11-13 22:56:19,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:19,769 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:19,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:19,964 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:19,964 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 44 treesize of output 28 [2021-11-13 22:56:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:19,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:19,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:20,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:56:20,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:20,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:20,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:21,519 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:21,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:21,710 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:21,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:56:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:21,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:21,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:21,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:21,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:21,789 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 [2021-11-13 22:56:21,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:22,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:22,063 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:22,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:22,258 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:22,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:56:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:22,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:22,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:22,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:56:22,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:22,340 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 [2021-11-13 22:56:22,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:27,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:27,185 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:27,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:27,315 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:27,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:27,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:27,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:27,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:56:27,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:27,400 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 [2021-11-13 22:56:27,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:32,346 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:32,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:32,475 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:32,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:32,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:32,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:32,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:56:32,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:32,565 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 [2021-11-13 22:56:32,586 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 [2021-11-13 22:56:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:39,579 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:39,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:39,707 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:39,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:39,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:39,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:39,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:56:39,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:39,794 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 [2021-11-13 22:56:39,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:46,745 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:46,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:46,874 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:46,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:46,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:46,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:46,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:56:46,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:46,961 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 [2021-11-13 22:56:46,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:56:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:47,322 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:47,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:47,551 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:47,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:56:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:47,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:47,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:47,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:47,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:47,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:47,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:47,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:47,966 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:47,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:48,187 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:48,187 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 44 treesize of output 28 [2021-11-13 22:56:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:48,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:48,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:48,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:56:48,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:48,276 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 [2021-11-13 22:56:48,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:53,349 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:53,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:53,481 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:53,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:53,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:53,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:53,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:56:53,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:53,574 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 [2021-11-13 22:56:53,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:58,507 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:56:58,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:56:58,641 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:56:58,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:56:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:56:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:56:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:58,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:58,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:58,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:56:58,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:58,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:58,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:03,898 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:03,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:04,023 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:57:04,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:57:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:04,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:04,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:04,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:04,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:04,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:04,128 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 [2021-11-13 22:57:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:04,430 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:04,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:04,657 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:04,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:04,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:04,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:04,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:04,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:04,748 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 [2021-11-13 22:57:04,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-13 22:57:05,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:05,098 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:05,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:05,325 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:05,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:05,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:05,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:05,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:05,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:05,408 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 [2021-11-13 22:57:05,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:05,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:05,718 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:05,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:05,942 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:05,943 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 44 treesize of output 28 [2021-11-13 22:57:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:05,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:05,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:06,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:06,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:06,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:06,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:06,362 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:06,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:06,587 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:06,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:06,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:06,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:06,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:57:06,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:06,668 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 [2021-11-13 22:57:06,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:08,244 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:08,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:08,453 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:08,453 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:08,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:08,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:08,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:08,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:08,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:08,544 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 [2021-11-13 22:57:08,562 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 27 treesize of output 15 [2021-11-13 22:57:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:08,859 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:08,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:09,076 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:09,077 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 44 treesize of output 28 [2021-11-13 22:57:09,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:09,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:09,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:09,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:09,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:09,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:09,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:14,041 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:14,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:14,166 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:57:14,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:57:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:14,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:14,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:14,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:57:14,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:14,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:14,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:15,759 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:15,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:15,981 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:15,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:16,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:16,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:16,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:16,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:16,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:16,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:20,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:20,928 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:20,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:21,052 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:57:21,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:57:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:21,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:21,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:21,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:21,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:21,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:21,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:21,433 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:21,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:21,655 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:21,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:21,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:21,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:21,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:21,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:21,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:21,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:57:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:22,106 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:22,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:22,308 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:22,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:22,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:22,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:22,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:22,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:57:22,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:22,394 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 [2021-11-13 22:57:22,411 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 27 treesize of output 15 [2021-11-13 22:57:29,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:29,108 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:29,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:29,229 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:57:29,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:57:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:29,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:29,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:29,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:29,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:29,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:29,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:29,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:29,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:29,655 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:29,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:29,865 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:29,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:29,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:29,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:29,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:29,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:29,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:29,986 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 [2021-11-13 22:57:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:30,269 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:30,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:30,479 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:30,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:30,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:30,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:30,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:30,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:30,557 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 [2021-11-13 22:57:30,577 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 [2021-11-13 22:57:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:30,854 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:30,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:31,070 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:31,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:31,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:31,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:31,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:31,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:31,154 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 [2021-11-13 22:57:31,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:31,486 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:31,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:31,702 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:31,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:31,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:31,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:31,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:31,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:31,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:31,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:31,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:31,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:36,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:36,590 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:36,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:36,712 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:57:36,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:57:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:36,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:36,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:36,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:36,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:36,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:36,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:36,809 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 [2021-11-13 22:57:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:37,115 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:37,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:37,339 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:37,339 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:37,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:37,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:37,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:37,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:37,434 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 [2021-11-13 22:57:37,455 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 27 treesize of output 15 [2021-11-13 22:57:37,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:37,753 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:37,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:37,969 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:37,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:57:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:38,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:38,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:38,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:38,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:57:38,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:38,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:38,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:39,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:39,619 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:39,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:39,828 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:39,829 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 44 treesize of output 28 [2021-11-13 22:57:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:39,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:39,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:39,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:57:39,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:39,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:39,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:41,472 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:41,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:41,691 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:41,692 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 44 treesize of output 28 [2021-11-13 22:57:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:41,725 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:41,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:41,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:41,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:41,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:41,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:41,792 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 42 treesize of output 25 [2021-11-13 22:57:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:42,129 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:57:42,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:57:42,341 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:42,341 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 44 treesize of output 28 [2021-11-13 22:57:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 97 transitions. [2021-11-13 22:57:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 97 transitions. [2021-11-13 22:57:42,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:42,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:42,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:42,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:42,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:42,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:42,439 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 27 treesize of output 15