./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqm.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqm.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:35:52,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:35:52,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:35:52,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:35:52,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:35:52,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:35:52,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:35:52,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:35:52,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:35:52,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:35:52,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:35:52,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:35:52,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:35:52,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:35:52,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:35:52,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:35:52,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:35:52,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:35:52,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:35:52,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:35:52,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:35:52,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:35:52,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:35:52,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:35:52,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:35:52,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:35:52,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:35:52,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:35:52,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:35:52,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:35:52,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:35:52,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:35:52,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:35:52,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:35:52,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:35:52,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:35:52,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:35:52,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:35:52,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:35:52,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:35:52,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:35:52,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:35:52,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:35:52,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:35:52,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:35:52,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:35:52,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:35:52,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:35:52,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:35:52,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:35:52,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:35:52,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:35:52,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:35:52,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:35:52,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:35:52,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:35:52,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:35:52,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:35:52,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:35:52,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:35:52,631 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:35:52,631 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:35:52,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:35:52,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:52,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:35:52,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:35:52,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:35:52,633 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:35:52,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:35:52,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:35:52,633 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_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 [2021-11-23 00:35:52,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:35:52,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:35:52,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:35:52,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:35:52,928 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:35:52,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/nsqm.c [2021-11-23 00:35:53,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/data/dd09f0ab7/dc1d96ef888d4303932b84f54a449a2e/FLAG94538832b [2021-11-23 00:35:53,429 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:35:53,429 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/sv-benchmarks/c/array-fpi/nsqm.c [2021-11-23 00:35:53,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/data/dd09f0ab7/dc1d96ef888d4303932b84f54a449a2e/FLAG94538832b [2021-11-23 00:35:53,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/data/dd09f0ab7/dc1d96ef888d4303932b84f54a449a2e [2021-11-23 00:35:53,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:35:53,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:35:53,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:53,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:35:53,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:35:53,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:53" (1/1) ... [2021-11-23 00:35:53,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a5f966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:53, skipping insertion in model container [2021-11-23 00:35:53,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:53" (1/1) ... [2021-11-23 00:35:53,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:35:53,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:35:54,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2021-11-23 00:35:54,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:54,105 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:35:54,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2021-11-23 00:35:54,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:54,168 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:35:54,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54 WrapperNode [2021-11-23 00:35:54,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:54,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:54,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:35:54,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:35:54,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,231 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-11-23 00:35:54,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:54,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:35:54,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:35:54,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:35:54,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:35:54,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:35:54,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:35:54,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:35:54,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:54,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:35:54,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:35:54,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f6f34b-b6ee-4119-9c09-a3987d69242a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:35:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:35:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:35:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:35:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:35:54,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:35:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:35:54,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:35:54,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:35:54,615 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:35:54,648 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:35:54,648 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:35:54,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:54 BoogieIcfgContainer [2021-11-23 00:35:54,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:35:54,652 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:35:54,652 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:35:54,663 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:35:54,666 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:54" (1/1) ... [2021-11-23 00:35:54,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:35:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:35:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:35:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:35:54,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:54,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:35:54,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:55,114 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:35:55,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:35:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2021-11-23 00:35:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2021-11-23 00:35:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:35:55,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:35:55,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2021-11-23 00:35:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2021-11-23 00:35:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:35:55,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:35:55,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 20 states and 49 transitions. [2021-11-23 00:35:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 49 transitions. [2021-11-23 00:35:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:35:56,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:35:56,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:56,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:56,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:35:56,479 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:56,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:35:56,675 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:35:56,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:35:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 23 states and 60 transitions. [2021-11-23 00:35:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 60 transitions. [2021-11-23 00:35:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:35:57,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:57,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:57,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:35:57,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 27 states and 67 transitions. [2021-11-23 00:35:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 67 transitions. [2021-11-23 00:35:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:35:58,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:58,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:58,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 00:35:58,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 30 states and 76 transitions. [2021-11-23 00:35:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 76 transitions. [2021-11-23 00:35:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:35:59,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:59,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:59,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:35:59,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:59,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:59,634 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 29 treesize of output 17 [2021-11-23 00:35:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 294 [2021-11-23 00:35:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 57 [2021-11-23 00:35:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 72 [2021-11-23 00:35:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 69 [2021-11-23 00:36:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:00,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 63 [2021-11-23 00:36:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:00,524 INFO L354 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2021-11-23 00:36:00,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 74 treesize of output 69 [2021-11-23 00:36:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 35 states and 93 transitions. [2021-11-23 00:36:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 93 transitions. [2021-11-23 00:36:03,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:36:03,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:03,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:03,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2021-11-23 00:36:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2021-11-23 00:36:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:05,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:05,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:05,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:05,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:05,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:05,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:05,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:05,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:05,547 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:05,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 44 states and 132 transitions. [2021-11-23 00:36:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 132 transitions. [2021-11-23 00:36:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:09,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:09,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:09,222 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:09,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:09,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:09,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:09,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:09,526 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:09,527 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 45 states and 133 transitions. [2021-11-23 00:36:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 133 transitions. [2021-11-23 00:36:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:09,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:09,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:09,971 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:09,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:09,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:10,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:10,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:10,331 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:10,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 46 states and 134 transitions. [2021-11-23 00:36:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 134 transitions. [2021-11-23 00:36:10,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:10,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:10,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:10,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:10,743 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 29 treesize of output 17 [2021-11-23 00:36:10,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:10,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:10,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:10,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:10,963 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:10,963 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 47 states and 135 transitions. [2021-11-23 00:36:11,152 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 135 transitions. [2021-11-23 00:36:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:11,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:11,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:11,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:11,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:11,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:11,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:11,328 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:11,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2021-11-23 00:36:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2021-11-23 00:36:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:11,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:11,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:11,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:11,744 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:11,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:11,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:11,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:12,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:12,070 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:12,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 49 states and 137 transitions. [2021-11-23 00:36:12,384 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 137 transitions. [2021-11-23 00:36:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:12,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:12,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:12,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:12,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:12,465 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:12,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:12,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:12,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:12,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:12,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:12,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:12,750 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:12,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 50 states and 138 transitions. [2021-11-23 00:36:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 138 transitions. [2021-11-23 00:36:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:13,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:13,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:13,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:13,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:13,205 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:13,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:13,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:13,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:13,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:13,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:13,499 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:13,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:13,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 51 states and 139 transitions. [2021-11-23 00:36:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 139 transitions. [2021-11-23 00:36:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:13,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:13,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:13,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:13,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:13,885 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:13,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:13,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:14,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:14,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:14,194 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:14,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 52 states and 140 transitions. [2021-11-23 00:36:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 140 transitions. [2021-11-23 00:36:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:14,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:14,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:14,641 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:14,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:14,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:14,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:14,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:14,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:14,811 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:14,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:15,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 141 transitions. [2021-11-23 00:36:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 141 transitions. [2021-11-23 00:36:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:15,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:15,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:15,193 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:15,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:15,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:15,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:15,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:15,378 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:15,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:15,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 54 states and 142 transitions. [2021-11-23 00:36:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 142 transitions. [2021-11-23 00:36:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:15,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:15,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:15,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:16,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:16,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:16,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:16,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:16,228 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:16,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:16,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2021-11-23 00:36:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2021-11-23 00:36:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:16,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:16,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:16,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:16,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:16,665 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:16,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:16,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:16,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:16,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:16,933 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:16,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 56 states and 144 transitions. [2021-11-23 00:36:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 144 transitions. [2021-11-23 00:36:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:17,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:17,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:17,351 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:17,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:17,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:17,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:17,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:17,673 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:17,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:18,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 57 states and 145 transitions. [2021-11-23 00:36:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 145 transitions. [2021-11-23 00:36:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:18,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:18,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:18,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:18,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:18,104 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:36:18,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:36:18,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:18,178 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:18,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:18,261 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:36:18,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:36:18,724 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:18,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:36:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 61 states and 168 transitions. [2021-11-23 00:36:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 168 transitions. [2021-11-23 00:36:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:25,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:25,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:25,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:25,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:25,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:25,706 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:25,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 62 states and 169 transitions. [2021-11-23 00:36:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 169 transitions. [2021-11-23 00:36:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:25,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:25,952 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:25,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:25,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:26,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:26,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:26,340 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:26,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:26,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 63 states and 170 transitions. [2021-11-23 00:36:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 170 transitions. [2021-11-23 00:36:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:26,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:26,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:26,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:26,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:26,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:26,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:26,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:27,025 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:27,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 64 states and 171 transitions. [2021-11-23 00:36:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 171 transitions. [2021-11-23 00:36:27,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:27,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:27,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:27,445 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 [2021-11-23 00:36:27,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:27,997 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:36:27,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:36:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 65 states and 172 transitions. [2021-11-23 00:36:29,741 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 172 transitions. [2021-11-23 00:36:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:29,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:29,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:29,840 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:29,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:29,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:29,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:30,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:30,146 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:30,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 66 states and 173 transitions. [2021-11-23 00:36:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 173 transitions. [2021-11-23 00:36:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:30,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:30,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:30,604 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:30,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:30,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:30,797 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:30,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 67 states and 174 transitions. [2021-11-23 00:36:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 174 transitions. [2021-11-23 00:36:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:31,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:31,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:31,191 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:31,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:31,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:31,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:31,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:31,571 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:31,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 68 states and 175 transitions. [2021-11-23 00:36:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 175 transitions. [2021-11-23 00:36:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:31,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:31,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:31,995 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:31,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:32,019 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 [2021-11-23 00:36:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:32,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:32,316 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:32,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 69 states and 176 transitions. [2021-11-23 00:36:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 176 transitions. [2021-11-23 00:36:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:32,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:32,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:32,704 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:32,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:32,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:32,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:32,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:33,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:33,029 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:33,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 70 states and 177 transitions. [2021-11-23 00:36:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 177 transitions. [2021-11-23 00:36:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:33,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:33,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:33,405 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:33,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:33,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:33,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:33,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:33,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:33,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:33,683 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:33,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 71 states and 178 transitions. [2021-11-23 00:36:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 178 transitions. [2021-11-23 00:36:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:33,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:34,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:34,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:34,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:34,140 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:34,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:34,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 72 states and 179 transitions. [2021-11-23 00:36:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 179 transitions. [2021-11-23 00:36:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:34,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:34,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:34,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:34,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:34,698 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:34,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:34,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 73 states and 180 transitions. [2021-11-23 00:36:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 180 transitions. [2021-11-23 00:36:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:34,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:35,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:35,084 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:35,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:35,106 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 [2021-11-23 00:36:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:35,394 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:35,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 74 states and 181 transitions. [2021-11-23 00:36:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 181 transitions. [2021-11-23 00:36:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:35,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:35,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:35,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:35,759 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:35,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:35,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:35,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:35,949 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:35,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 75 states and 182 transitions. [2021-11-23 00:36:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 182 transitions. [2021-11-23 00:36:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:36,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:36,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:36,156 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:36,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:36,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:36,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:36,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:36,463 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:36,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 76 states and 183 transitions. [2021-11-23 00:36:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 183 transitions. [2021-11-23 00:36:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:36,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:36:36,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:36,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:36,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:36,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:37,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:37,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:37,078 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:37,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 77 states and 184 transitions. [2021-11-23 00:36:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 184 transitions. [2021-11-23 00:36:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:37,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:37,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:37,469 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:36:37,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:36:37,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:37,574 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:37,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:37,653 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:36:37,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:36:37,993 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:37,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:36:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 193 transitions. [2021-11-23 00:36:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 193 transitions. [2021-11-23 00:36:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:40,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:40,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:40,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:40,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:40,804 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:36:40,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:36:40,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:40,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:41,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:41,174 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:41,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 80 states and 194 transitions. [2021-11-23 00:36:41,310 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 194 transitions. [2021-11-23 00:36:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:41,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:41,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:41,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:41,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:41,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:41,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:41,576 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:41,577 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 81 states and 195 transitions. [2021-11-23 00:36:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 195 transitions. [2021-11-23 00:36:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:41,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:41,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:42,021 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:36:42,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:36:42,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:42,120 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:42,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:42,200 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:36:42,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:36:42,513 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:36:42,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:36:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 82 states and 196 transitions. [2021-11-23 00:36:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-23 00:36:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:42,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:42,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:42,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:42,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:42,618 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:36:42,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:36:42,635 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 [2021-11-23 00:36:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:42,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:43,091 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:36:43,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:36:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 84 states and 205 transitions. [2021-11-23 00:36:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 205 transitions. [2021-11-23 00:36:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:44,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:44,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:44,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:44,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:44,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:44,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:44,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:44,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:44,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:44,737 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:44,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 85 states and 206 transitions. [2021-11-23 00:36:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 206 transitions. [2021-11-23 00:36:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:45,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:45,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:45,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:45,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:45,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:45,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:45,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:45,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:45,364 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:45,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 86 states and 207 transitions. [2021-11-23 00:36:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 207 transitions. [2021-11-23 00:36:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:45,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:45,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:45,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:45,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:45,814 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 [2021-11-23 00:36:45,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:36:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:45,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:46,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:46,021 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:36:46,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:36:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 87 states and 208 transitions. [2021-11-23 00:36:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 208 transitions. [2021-11-23 00:36:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:46,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:46,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:46,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:46,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:46,449 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:36:46,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:36:46,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:46,776 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:46,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:36:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:47,380 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:36:47,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:36:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 89 states and 217 transitions. [2021-11-23 00:37:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 217 transitions. [2021-11-23 00:37:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:04,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:04,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:04,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:04,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:04,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:04,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:04,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:04,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:04,645 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:04,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 90 states and 218 transitions. [2021-11-23 00:37:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 218 transitions. [2021-11-23 00:37:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:05,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:05,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:05,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:05,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:05,154 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:05,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:05,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:05,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:05,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:05,502 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:05,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 91 states and 219 transitions. [2021-11-23 00:37:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 219 transitions. [2021-11-23 00:37:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:05,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:05,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:05,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:05,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:05,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:05,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:05,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:05,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:06,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:06,126 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:06,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:06,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:06,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 92 states and 220 transitions. [2021-11-23 00:37:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 220 transitions. [2021-11-23 00:37:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:06,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:06,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:06,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:06,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:06,541 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:06,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:06,579 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 [2021-11-23 00:37:06,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:06,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:06,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:06,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:06,749 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:06,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2021-11-23 00:37:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2021-11-23 00:37:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:07,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:07,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:07,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:07,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:07,185 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:07,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:07,202 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 [2021-11-23 00:37:07,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:07,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:07,711 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:37:07,712 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 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:37:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 94 states and 222 transitions. [2021-11-23 00:37:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 222 transitions. [2021-11-23 00:37:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:08,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:08,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:08,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:08,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:08,263 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:08,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:08,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:08,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:08,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:08,583 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:08,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 95 states and 223 transitions. [2021-11-23 00:37:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 223 transitions. [2021-11-23 00:37:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:08,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:08,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:08,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:08,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:08,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:08,992 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 29 treesize of output 17 [2021-11-23 00:37:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:09,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:09,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:09,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:09,085 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:09,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 96 states and 224 transitions. [2021-11-23 00:37:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 224 transitions. [2021-11-23 00:37:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:09,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:09,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:09,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:09,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:09,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:09,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:09,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:09,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:09,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:09,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:09,770 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:09,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 97 states and 225 transitions. [2021-11-23 00:37:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 225 transitions. [2021-11-23 00:37:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:10,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:10,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:10,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:10,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:10,199 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 [2021-11-23 00:37:10,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:10,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:10,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:10,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:10,294 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:10,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 98 states and 226 transitions. [2021-11-23 00:37:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 226 transitions. [2021-11-23 00:37:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:10,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:10,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:10,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:10,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:10,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:10,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:10,746 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:10,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:10,867 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:10,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:11,159 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:11,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 227 transitions. [2021-11-23 00:37:11,176 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 227 transitions. [2021-11-23 00:37:11,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:11,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:11,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:11,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:37:11,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:11,246 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:11,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:11,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:11,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:11,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:11,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:11,440 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:11,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 100 states and 228 transitions. [2021-11-23 00:37:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 228 transitions. [2021-11-23 00:37:11,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:11,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:11,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:11,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:11,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:11,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:11,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:11,843 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:11,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:11,905 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:11,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:12,256 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:12,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 101 states and 229 transitions. [2021-11-23 00:37:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 229 transitions. [2021-11-23 00:37:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:12,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:12,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:12,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:12,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:12,362 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:12,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:12,382 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 [2021-11-23 00:37:12,439 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:12,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:12,550 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:12,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:12,889 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:12,889 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 84 treesize of output 40 [2021-11-23 00:37:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 102 states and 230 transitions. [2021-11-23 00:37:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 230 transitions. [2021-11-23 00:37:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:12,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:12,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:12,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:12,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:12,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:12,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:12,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:13,183 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:13,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 103 states and 231 transitions. [2021-11-23 00:37:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 231 transitions. [2021-11-23 00:37:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:13,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:13,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:13,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:13,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:13,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:13,598 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 29 treesize of output 17 [2021-11-23 00:37:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:13,812 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:13,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 104 states and 232 transitions. [2021-11-23 00:37:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 232 transitions. [2021-11-23 00:37:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:13,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:13,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:14,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:14,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:14,044 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:14,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:14,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:14,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:14,221 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:14,222 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 105 states and 233 transitions. [2021-11-23 00:37:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 233 transitions. [2021-11-23 00:37:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:14,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:14,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:14,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:14,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:14,672 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:14,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:14,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:14,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:14,852 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:14,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 106 states and 234 transitions. [2021-11-23 00:37:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 234 transitions. [2021-11-23 00:37:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:15,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:15,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:15,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:15,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:15,258 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:15,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:15,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:15,334 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:15,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:15,402 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:15,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:15,716 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:15,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:15,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 107 states and 235 transitions. [2021-11-23 00:37:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 235 transitions. [2021-11-23 00:37:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:15,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:15,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:15,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:15,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:15,820 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:15,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:15,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:15,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:16,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:16,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:16,175 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:16,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 108 states and 236 transitions. [2021-11-23 00:37:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 236 transitions. [2021-11-23 00:37:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:16,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:16,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:16,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:16,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:16,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:16,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:16,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:16,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:16,778 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:16,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 109 states and 237 transitions. [2021-11-23 00:37:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 237 transitions. [2021-11-23 00:37:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:17,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:17,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:17,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:17,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:17,209 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 [2021-11-23 00:37:17,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:17,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:17,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:17,299 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:17,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 238 transitions. [2021-11-23 00:37:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 238 transitions. [2021-11-23 00:37:17,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:17,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:17,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:17,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:17,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:17,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:17,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:17,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:17,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:17,932 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:17,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 111 states and 239 transitions. [2021-11-23 00:37:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 239 transitions. [2021-11-23 00:37:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:18,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:18,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:18,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:18,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:18,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:18,412 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 29 treesize of output 17 [2021-11-23 00:37:18,440 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:18,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:18,603 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:18,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:18,938 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:18,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 112 states and 240 transitions. [2021-11-23 00:37:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 240 transitions. [2021-11-23 00:37:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:18,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:18,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:18,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:18,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:19,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:19,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:19,030 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:19,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:19,173 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:19,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:19,612 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:19,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 113 states and 241 transitions. [2021-11-23 00:37:19,641 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 241 transitions. [2021-11-23 00:37:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:19,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:19,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:19,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:19,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:19,723 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:19,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:19,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:19,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:20,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:20,167 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:20,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 114 states and 242 transitions. [2021-11-23 00:37:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 242 transitions. [2021-11-23 00:37:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:20,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:20,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:20,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:20,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:20,704 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:20,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:20,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:20,811 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:20,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:20,959 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:20,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:21,333 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:21,333 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 84 treesize of output 40 [2021-11-23 00:37:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 115 states and 243 transitions. [2021-11-23 00:37:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 243 transitions. [2021-11-23 00:37:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:21,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:21,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:21,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:21,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:21,414 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 [2021-11-23 00:37:21,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:21,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:21,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:21,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:21,520 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:21,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 116 states and 244 transitions. [2021-11-23 00:37:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 244 transitions. [2021-11-23 00:37:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:22,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:22,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:22,074 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:22,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:22,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:22,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:22,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:22,327 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:22,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 117 states and 245 transitions. [2021-11-23 00:37:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 245 transitions. [2021-11-23 00:37:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:22,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:22,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:22,829 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:22,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:22,865 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 [2021-11-23 00:37:23,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:23,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:23,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:23,352 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:23,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 118 states and 246 transitions. [2021-11-23 00:37:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 246 transitions. [2021-11-23 00:37:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:23,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:23,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:23,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:23,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:23,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:23,926 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 29 treesize of output 17 [2021-11-23 00:37:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:23,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:24,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:24,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:24,218 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:24,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 119 states and 247 transitions. [2021-11-23 00:37:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 247 transitions. [2021-11-23 00:37:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:24,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:24,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:24,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:24,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:24,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:24,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:24,800 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:24,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:24,970 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:24,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:25,359 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:25,359 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 84 treesize of output 40 [2021-11-23 00:37:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 120 states and 248 transitions. [2021-11-23 00:37:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 248 transitions. [2021-11-23 00:37:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:25,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:25,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:25,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:25,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:25,450 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:25,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:25,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:25,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:25,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:25,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:25,928 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:25,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 121 states and 249 transitions. [2021-11-23 00:37:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 249 transitions. [2021-11-23 00:37:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:26,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:26,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:26,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:26,416 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 29 treesize of output 17 [2021-11-23 00:37:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:26,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:26,536 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:37:26,536 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 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:37:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 122 states and 250 transitions. [2021-11-23 00:37:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 250 transitions. [2021-11-23 00:37:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:27,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:27,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:27,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:27,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:27,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:27,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:27,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:27,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:27,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:27,532 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:27,532 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 123 states and 251 transitions. [2021-11-23 00:37:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 251 transitions. [2021-11-23 00:37:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:28,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:28,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:28,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:28,106 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 [2021-11-23 00:37:28,113 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 29 treesize of output 17 [2021-11-23 00:37:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:28,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:28,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:28,435 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:28,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 124 states and 252 transitions. [2021-11-23 00:37:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 252 transitions. [2021-11-23 00:37:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:28,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:28,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:28,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:28,963 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 [2021-11-23 00:37:28,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:28,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:28,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:29,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:29,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:29,069 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:29,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 125 states and 253 transitions. [2021-11-23 00:37:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 253 transitions. [2021-11-23 00:37:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:29,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:29,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:29,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:29,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:29,616 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:29,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:29,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:29,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:29,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:29,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:29,919 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:29,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 126 states and 254 transitions. [2021-11-23 00:37:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 254 transitions. [2021-11-23 00:37:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:30,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:30,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:30,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:30,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:30,553 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:30,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:30,585 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 [2021-11-23 00:37:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:30,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:30,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:30,856 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:30,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:31,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 127 states and 255 transitions. [2021-11-23 00:37:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 255 transitions. [2021-11-23 00:37:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:31,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:31,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:31,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:31,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:31,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:31,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:31,453 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:31,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:31,631 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:31,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:31,977 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:31,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 128 states and 256 transitions. [2021-11-23 00:37:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 256 transitions. [2021-11-23 00:37:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:32,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:32,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:32,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:32,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:32,119 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:32,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:32,155 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 [2021-11-23 00:37:32,232 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:32,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:32,300 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:32,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:32,660 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:32,661 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 84 treesize of output 40 [2021-11-23 00:37:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 129 states and 257 transitions. [2021-11-23 00:37:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 257 transitions. [2021-11-23 00:37:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:32,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:32,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:32,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:32,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:32,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:32,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:32,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:32,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:32,876 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:37:32,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:37:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 130 states and 258 transitions. [2021-11-23 00:37:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 258 transitions. [2021-11-23 00:37:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:33,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:33,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:33,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:33,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:33,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:33,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:33,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:33,375 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:33,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 131 states and 259 transitions. [2021-11-23 00:37:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 259 transitions. [2021-11-23 00:37:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:33,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:33,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:33,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:33,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:33,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:33,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:34,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:34,072 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:34,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 132 states and 260 transitions. [2021-11-23 00:37:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 260 transitions. [2021-11-23 00:37:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:34,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:34,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:34,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:34,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:34,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:34,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:34,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:34,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:35,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:35,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:35,053 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:35,053 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 133 states and 261 transitions. [2021-11-23 00:37:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 261 transitions. [2021-11-23 00:37:35,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:35,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:35,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:35,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:35,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:35,755 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:35,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:35,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:35,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:36,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:36,036 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:36,037 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 134 states and 262 transitions. [2021-11-23 00:37:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 262 transitions. [2021-11-23 00:37:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:36,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:36,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:36,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:36,595 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:36,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:36,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:36,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:36,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:36,880 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:36,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 263 transitions. [2021-11-23 00:37:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 263 transitions. [2021-11-23 00:37:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:37,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:37,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:37,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:37,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:37,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:37,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:37,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:37,810 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:37,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 136 states and 264 transitions. [2021-11-23 00:37:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 264 transitions. [2021-11-23 00:37:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:38,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:38,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:38,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:38,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:38,391 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:38,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:38,473 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:38,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:38,886 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:38,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 137 states and 265 transitions. [2021-11-23 00:37:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 265 transitions. [2021-11-23 00:37:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:38,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:38,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:39,009 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:39,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:39,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:39,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:39,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:39,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:39,621 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:39,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 138 states and 266 transitions. [2021-11-23 00:37:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 266 transitions. [2021-11-23 00:37:40,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:40,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:40,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:40,193 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 [2021-11-23 00:37:40,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:40,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:40,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:40,533 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:40,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 139 states and 267 transitions. [2021-11-23 00:37:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 267 transitions. [2021-11-23 00:37:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:41,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:41,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:41,443 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:41,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:41,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:41,506 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:41,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:41,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:42,018 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:37:42,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:37:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:45,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 140 states and 268 transitions. [2021-11-23 00:37:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2021-11-23 00:37:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:45,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:45,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:45,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:45,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:45,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:45,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:45,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:45,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:45,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:45,279 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:45,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 141 states and 269 transitions. [2021-11-23 00:37:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 269 transitions. [2021-11-23 00:37:45,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:45,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:45,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:45,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:45,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:45,829 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:45,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:45,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:46,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:46,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:46,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:46,351 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:46,351 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 142 states and 270 transitions. [2021-11-23 00:37:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 270 transitions. [2021-11-23 00:37:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:46,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:46,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:46,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:46,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:46,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:46,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:46,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:46,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:47,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:47,316 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:47,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 143 states and 271 transitions. [2021-11-23 00:37:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 271 transitions. [2021-11-23 00:37:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:47,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:47,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:47,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:47,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:47,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:47,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:47,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:47,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:47,738 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:47,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 144 states and 272 transitions. [2021-11-23 00:37:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 272 transitions. [2021-11-23 00:37:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:48,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:48,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:37:48,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:48,296 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:48,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:48,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:48,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:48,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:48,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:48,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:48,785 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:48,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 145 states and 273 transitions. [2021-11-23 00:37:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 273 transitions. [2021-11-23 00:37:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:49,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:49,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:49,354 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:49,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:49,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:49,491 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:49,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:49,665 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:37:49,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:37:50,051 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:37:50,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:37:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 146 states and 274 transitions. [2021-11-23 00:37:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 274 transitions. [2021-11-23 00:37:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:50,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:50,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:50,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:50,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:50,172 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:50,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:50,209 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 [2021-11-23 00:37:50,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:50,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:50,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:50,689 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:50,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 147 states and 275 transitions. [2021-11-23 00:37:50,882 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 275 transitions. [2021-11-23 00:37:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:50,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:50,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:50,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:50,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:50,987 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:50,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:51,026 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 [2021-11-23 00:37:51,052 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:51,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:51,528 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:37:51,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:37:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 148 states and 276 transitions. [2021-11-23 00:37:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 276 transitions. [2021-11-23 00:37:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:54,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:54,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:54,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:54,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:54,951 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:54,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:54,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:55,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:55,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:55,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:55,240 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:55,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 149 states and 277 transitions. [2021-11-23 00:37:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 277 transitions. [2021-11-23 00:37:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:55,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:55,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:55,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:55,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:55,871 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 [2021-11-23 00:37:55,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:55,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:55,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:55,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:55,969 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:55,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 278 transitions. [2021-11-23 00:37:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 278 transitions. [2021-11-23 00:37:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:56,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:56,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:56,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:56,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:56,582 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:37:56,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:37:56,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:56,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:57,435 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:37:57,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:37:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 151 states and 279 transitions. [2021-11-23 00:37:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 279 transitions. [2021-11-23 00:37:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:57,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:57,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:57,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:57,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:57,692 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:37:57,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:37:57,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:57,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:58,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:58,243 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:58,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 152 states and 280 transitions. [2021-11-23 00:37:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 280 transitions. [2021-11-23 00:37:58,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:58,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:58,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:58,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:58,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:58,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:58,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:58,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:58,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:58,854 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:58,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:37:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 153 states and 281 transitions. [2021-11-23 00:37:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 281 transitions. [2021-11-23 00:37:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:59,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:59,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:59,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:59,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:59,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:59,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:37:59,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:59,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:37:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:59,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:59,770 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:37:59,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:38:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 154 states and 282 transitions. [2021-11-23 00:38:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 282 transitions. [2021-11-23 00:38:00,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:00,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:00,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:00,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:00,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:00,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:00,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:38:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:00,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:00,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:00,532 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:38:00,532 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:38:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 283 transitions. [2021-11-23 00:38:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 283 transitions. [2021-11-23 00:38:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:00,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:00,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:01,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:01,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:01,106 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:38:01,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:38:01,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:01,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:01,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:01,775 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:38:01,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:38:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 284 transitions. [2021-11-23 00:38:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 284 transitions. [2021-11-23 00:38:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:02,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:02,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:02,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:38:02,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:02,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:02,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:38:02,313 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:02,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:02,791 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:38:02,792 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 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:38:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 157 states and 285 transitions. [2021-11-23 00:38:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 285 transitions. [2021-11-23 00:38:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:04,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:04,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:04,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:04,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:04,284 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:38:04,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:38:04,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:04,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:04,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:04,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:04,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:04,848 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:38:04,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:38:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 286 transitions. [2021-11-23 00:38:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2021-11-23 00:38:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:05,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:05,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:05,445 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 [2021-11-23 00:38:05,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:38:05,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:05,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:05,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:05,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:05,790 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:38:05,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:38:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 159 states and 287 transitions. [2021-11-23 00:38:06,243 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 287 transitions. [2021-11-23 00:38:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:06,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:06,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:06,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:06,334 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:38:06,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:38:06,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:06,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:06,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:06,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:06,674 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:38:06,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:38:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 160 states and 288 transitions. [2021-11-23 00:38:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 288 transitions. [2021-11-23 00:38:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:06,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:06,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:38:06,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:06,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:06,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:38:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:06,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:07,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:07,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:38:07,041 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:38:07,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:38:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 161 states and 289 transitions. [2021-11-23 00:38:07,498 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2021-11-23 00:38:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:38:07,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:38:07,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:07,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:38:07,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:38:07,614 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:38:07,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:38:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:38:08,136 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:38:08,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:38:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:31,102 WARN L227 SmtUtils]: Spent 19.33s on a formula simplification. DAG size of input: 51 DAG size of output: 44 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:38:33,039 WARN L860 $PredicateComparison]: unable to prove that (not (and (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (not (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|)) (.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (and (= (+ c_~N~0 (select .cse0 8) 1) .cse1) (= (+ (select .cse0 0) 3 c_~N~0) .cse1))))) (< 1 c_~N~0) (<= c_~N~0 2) (exists ((|ULTIMATE.start_main_~b~0#1.offset| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse3 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse2 (select .cse3 |ULTIMATE.start_main_~b~0#1.offset|))) (and (= 1 .cse2) (= 3 (select .cse3 (+ |ULTIMATE.start_main_~b~0#1.offset| 8))) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (= (select .cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (+ (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|) 2 .cse2))) (not (= |ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)))))))) is different from true [2021-11-23 00:38:50,799 WARN L227 SmtUtils]: Spent 16.38s on a formula simplification. DAG size of input: 50 DAG size of output: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:38:51,871 WARN L860 $PredicateComparison]: unable to prove that (not (and (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (not (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|)) (.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (and (= (+ c_~N~0 (select .cse0 8) 1) .cse1) (= (+ (select .cse0 0) 3 c_~N~0) .cse1))))) (< 1 c_~N~0) (exists ((|ULTIMATE.start_main_~b~0#1.offset| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse3 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse2 (select .cse3 |ULTIMATE.start_main_~b~0#1.offset|))) (and (= 1 .cse2) (= 3 (select .cse3 (+ |ULTIMATE.start_main_~b~0#1.offset| 8))) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (= (select .cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (+ (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|) 2 .cse2))) (not (= |ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)))))))) is different from true [2021-11-23 00:39:13,744 WARN L227 SmtUtils]: Spent 19.76s on a formula simplification. DAG size of input: 52 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:39:14,830 WARN L860 $PredicateComparison]: unable to prove that (not (and (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (not (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|)) (.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (and (= (+ c_~N~0 (select .cse0 8) 1) .cse1) (= (+ (select .cse0 0) 3 c_~N~0) .cse1))))) (< 1 c_~N~0) (exists ((|ULTIMATE.start_main_~b~0#1.offset| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse3 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse2 (select .cse3 |ULTIMATE.start_main_~b~0#1.offset|))) (and (= 1 .cse2) (= 3 (select .cse3 (+ |ULTIMATE.start_main_~b~0#1.offset| 8))) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (= (select .cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (+ (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|) 2 .cse2))) (not (= |ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)))))))) is different from true [2021-11-23 00:39:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 165 states and 325 transitions. [2021-11-23 00:39:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2021-11-23 00:39:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:16,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:16,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:16,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:16,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:16,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:16,147 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 29 treesize of output 17 [2021-11-23 00:39:16,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:16,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:16,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:16,506 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:16,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 166 states and 327 transitions. [2021-11-23 00:39:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 327 transitions. [2021-11-23 00:39:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:16,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:16,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:16,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:16,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:16,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:16,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:16,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:17,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:17,178 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:17,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 167 states and 329 transitions. [2021-11-23 00:39:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 329 transitions. [2021-11-23 00:39:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:17,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:17,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:17,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:17,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:17,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:17,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:17,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:18,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:18,205 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:18,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 168 states and 331 transitions. [2021-11-23 00:39:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 331 transitions. [2021-11-23 00:39:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:18,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:18,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:18,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:18,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:18,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:18,868 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 29 treesize of output 17 [2021-11-23 00:39:18,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:18,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:19,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:19,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:19,262 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:19,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 169 states and 333 transitions. [2021-11-23 00:39:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 333 transitions. [2021-11-23 00:39:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:19,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:19,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:19,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:19,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:19,903 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:19,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:19,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:20,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:20,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:20,450 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:20,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 170 states and 335 transitions. [2021-11-23 00:39:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 335 transitions. [2021-11-23 00:39:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:20,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:20,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:21,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:39:21,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:21,068 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:39:21,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:39:21,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:21,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:21,902 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:39:21,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:39:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 172 states and 344 transitions. [2021-11-23 00:39:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 344 transitions. [2021-11-23 00:39:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:24,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:24,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:24,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:24,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:24,175 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:24,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:24,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:24,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:24,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:24,452 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:24,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:25,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 173 states and 346 transitions. [2021-11-23 00:39:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 346 transitions. [2021-11-23 00:39:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:25,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:25,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:25,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:39:25,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:25,111 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:39:25,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:39:25,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:25,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:25,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:25,991 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:39:25,991 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 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:39:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 174 states and 348 transitions. [2021-11-23 00:39:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 348 transitions. [2021-11-23 00:39:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:26,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:26,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:26,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:39:26,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:26,781 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 [2021-11-23 00:39:26,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:26,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:27,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:27,135 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:27,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 175 states and 350 transitions. [2021-11-23 00:39:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 350 transitions. [2021-11-23 00:39:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:27,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:27,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:27,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:27,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:27,875 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:27,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:27,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:28,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:28,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:28,440 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:28,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 176 states and 352 transitions. [2021-11-23 00:39:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 352 transitions. [2021-11-23 00:39:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:28,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:28,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:28,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:28,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:28,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:28,758 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 29 treesize of output 17 [2021-11-23 00:39:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:28,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:29,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:29,118 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:29,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 177 states and 354 transitions. [2021-11-23 00:39:29,634 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 354 transitions. [2021-11-23 00:39:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:29,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:29,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:29,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:29,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:29,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:29,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:29,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:30,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:30,079 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:30,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 178 states and 356 transitions. [2021-11-23 00:39:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 356 transitions. [2021-11-23 00:39:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:30,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:30,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:30,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:30,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:30,603 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 [2021-11-23 00:39:30,609 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 29 treesize of output 17 [2021-11-23 00:39:30,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:30,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:31,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:31,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:31,022 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:31,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 179 states and 358 transitions. [2021-11-23 00:39:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 358 transitions. [2021-11-23 00:39:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:31,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:31,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:31,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:31,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:31,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:31,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:31,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:31,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:32,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:32,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:32,155 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:32,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 180 states and 360 transitions. [2021-11-23 00:39:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 360 transitions. [2021-11-23 00:39:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:32,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:32,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:32,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:39:32,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:32,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:32,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:32,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:32,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:32,829 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:39:32,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:39:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 181 states and 362 transitions. [2021-11-23 00:39:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 362 transitions. [2021-11-23 00:39:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:33,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:33,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:33,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:33,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:33,487 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 [2021-11-23 00:39:33,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:33,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:33,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:33,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:33,598 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:33,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:34,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 182 states and 364 transitions. [2021-11-23 00:39:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 364 transitions. [2021-11-23 00:39:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:34,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:34,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:34,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:34,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:34,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:34,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:34,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:34,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:34,368 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:34,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:34,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:34,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 183 states and 366 transitions. [2021-11-23 00:39:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 366 transitions. [2021-11-23 00:39:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:34,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:34,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:34,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:34,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:34,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:35,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:35,047 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:35,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:35,270 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:35,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:35,767 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:35,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:39:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 184 states and 368 transitions. [2021-11-23 00:39:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 368 transitions. [2021-11-23 00:39:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:35,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:35,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:35,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:35,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:35,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:35,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:35,888 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:35,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:36,065 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:36,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:36,523 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:36,523 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 84 treesize of output 40 [2021-11-23 00:39:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 185 states and 370 transitions. [2021-11-23 00:39:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 370 transitions. [2021-11-23 00:39:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:36,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:36,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:36,650 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:39:36,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:39:36,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:36,799 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:36,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:36,978 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:36,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:37,394 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:37,394 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 84 treesize of output 40 [2021-11-23 00:39:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 186 states and 372 transitions. [2021-11-23 00:39:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 372 transitions. [2021-11-23 00:39:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:37,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:37,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:37,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:37,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:37,521 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:39:37,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:39:37,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:37,657 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:37,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:37,834 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:37,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:38,316 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:38,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:39:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 187 states and 374 transitions. [2021-11-23 00:39:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 374 transitions. [2021-11-23 00:39:38,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:38,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:38,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:38,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:38,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:38,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:38,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:38,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:38,777 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:38,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:39,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 188 states and 376 transitions. [2021-11-23 00:39:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 376 transitions. [2021-11-23 00:39:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:39,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:39,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:39,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:39,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:39,376 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:39,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:39,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:39,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:39,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:39,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:39,953 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:39,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:40,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 189 states and 378 transitions. [2021-11-23 00:39:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 378 transitions. [2021-11-23 00:39:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:40,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:40,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:40,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:40,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:40,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:40,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:40,617 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:40,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:40,811 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:40,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:41,286 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:41,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:39:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 190 states and 380 transitions. [2021-11-23 00:39:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 380 transitions. [2021-11-23 00:39:41,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:41,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:41,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:41,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:41,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:41,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:41,388 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 29 treesize of output 17 [2021-11-23 00:39:41,419 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:41,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:41,617 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:41,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:41,935 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:41,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:39:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 191 states and 382 transitions. [2021-11-23 00:39:41,965 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 382 transitions. [2021-11-23 00:39:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:41,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:41,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:42,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:39:42,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:42,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:42,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:42,064 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:42,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:42,275 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:42,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:42,721 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:42,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:39:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 384 transitions. [2021-11-23 00:39:42,744 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 384 transitions. [2021-11-23 00:39:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:42,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:42,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:42,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:42,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:42,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:42,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:42,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:42,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:43,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:43,234 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:43,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 193 states and 386 transitions. [2021-11-23 00:39:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 386 transitions. [2021-11-23 00:39:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:43,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:43,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:43,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:43,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:43,550 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:43,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:43,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:43,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:44,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:44,129 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:44,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 194 states and 388 transitions. [2021-11-23 00:39:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 388 transitions. [2021-11-23 00:39:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:44,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:44,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:44,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:44,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:44,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:44,678 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 29 treesize of output 17 [2021-11-23 00:39:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:44,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:45,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:45,043 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:45,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 195 states and 390 transitions. [2021-11-23 00:39:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 390 transitions. [2021-11-23 00:39:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:45,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:45,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:45,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:45,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:45,817 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:45,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:45,847 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 [2021-11-23 00:39:46,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:46,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:46,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:46,196 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:46,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 196 states and 392 transitions. [2021-11-23 00:39:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 392 transitions. [2021-11-23 00:39:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:46,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:46,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:46,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:46,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:46,790 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 [2021-11-23 00:39:46,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:46,824 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:46,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:47,015 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:47,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:47,454 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:47,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:39:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 197 states and 394 transitions. [2021-11-23 00:39:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 394 transitions. [2021-11-23 00:39:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:47,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:47,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:47,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:39:47,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:47,562 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:39:47,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:39:47,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:48,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:48,084 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:39:48,085 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 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:39:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 199 states and 417 transitions. [2021-11-23 00:39:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 417 transitions. [2021-11-23 00:39:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:51,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:51,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:52,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:52,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:52,031 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:52,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:52,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:52,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:52,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:52,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:52,736 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:52,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 200 states and 419 transitions. [2021-11-23 00:39:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 419 transitions. [2021-11-23 00:39:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:53,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:53,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:53,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:53,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:53,512 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:53,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:53,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:53,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:54,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:54,155 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:54,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 201 states and 421 transitions. [2021-11-23 00:39:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 421 transitions. [2021-11-23 00:39:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:54,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:54,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:54,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:54,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:54,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:54,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:54,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:55,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:55,281 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:55,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 202 states and 423 transitions. [2021-11-23 00:39:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 423 transitions. [2021-11-23 00:39:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:55,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:55,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:55,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:39:55,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:55,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:55,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:39:56,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:56,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:56,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:56,384 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:56,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 203 states and 425 transitions. [2021-11-23 00:39:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 425 transitions. [2021-11-23 00:39:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:57,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:57,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:57,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:57,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:57,156 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:39:57,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:39:57,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:57,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:57,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:57,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:39:57,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:39:57,774 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:39:57,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:39:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 204 states and 427 transitions. [2021-11-23 00:39:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 427 transitions. [2021-11-23 00:39:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:58,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:58,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:58,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:58,479 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 [2021-11-23 00:39:58,483 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 29 treesize of output 17 [2021-11-23 00:39:58,518 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:58,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:58,723 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:58,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:39:59,179 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:39:59,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:39:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 205 states and 429 transitions. [2021-11-23 00:39:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 429 transitions. [2021-11-23 00:39:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:59,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:59,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:59,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:59,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:59,271 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:39:59,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:39:59,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:39:59,437 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:39:59,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:39:59,653 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:39:59,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:00,177 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:00,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 206 states and 431 transitions. [2021-11-23 00:40:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 431 transitions. [2021-11-23 00:40:00,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:00,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:00,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:00,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:00,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:00,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:00,276 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 29 treesize of output 17 [2021-11-23 00:40:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:00,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:00,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:00,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:00,653 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:00,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 207 states and 433 transitions. [2021-11-23 00:40:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 433 transitions. [2021-11-23 00:40:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:01,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:01,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:01,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:01,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:01,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:01,357 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 29 treesize of output 17 [2021-11-23 00:40:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:01,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:01,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:01,784 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:01,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 435 transitions. [2021-11-23 00:40:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 435 transitions. [2021-11-23 00:40:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:02,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:02,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:02,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:02,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:02,433 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:02,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:02,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:02,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:03,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:03,071 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:03,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:03,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 209 states and 437 transitions. [2021-11-23 00:40:03,548 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 437 transitions. [2021-11-23 00:40:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:03,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:03,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:03,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:03,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:03,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:03,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:03,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:03,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:03,730 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:03,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 210 states and 439 transitions. [2021-11-23 00:40:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 439 transitions. [2021-11-23 00:40:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:04,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:04,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:04,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:04,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:04,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:04,570 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:04,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:04,771 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:04,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:05,352 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:05,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 211 states and 441 transitions. [2021-11-23 00:40:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 441 transitions. [2021-11-23 00:40:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:05,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:05,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:05,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:05,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:05,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:05,455 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 29 treesize of output 17 [2021-11-23 00:40:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:05,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:05,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:05,562 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:05,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 212 states and 443 transitions. [2021-11-23 00:40:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 443 transitions. [2021-11-23 00:40:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:06,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:06,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:06,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:06,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:06,137 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:06,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:06,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:06,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:06,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:06,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:06,757 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:06,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:07,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 213 states and 445 transitions. [2021-11-23 00:40:07,332 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 445 transitions. [2021-11-23 00:40:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:07,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:07,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:07,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:07,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:07,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:07,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:07,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:07,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:07,516 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:07,517 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:08,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 214 states and 447 transitions. [2021-11-23 00:40:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 447 transitions. [2021-11-23 00:40:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:08,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:08,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:08,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:08,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:08,082 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:40:08,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:40:08,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:08,234 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:08,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:08,324 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:08,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:08,846 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:08,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 449 transitions. [2021-11-23 00:40:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 449 transitions. [2021-11-23 00:40:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:08,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:08,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:08,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:08,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:08,962 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:08,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:09,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:09,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:09,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:09,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:09,648 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:09,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 216 states and 451 transitions. [2021-11-23 00:40:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 451 transitions. [2021-11-23 00:40:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:10,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:10,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:10,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:10,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:10,349 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:40:10,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:40:10,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:10,505 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:10,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:10,729 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:10,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:11,240 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:11,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:11,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 217 states and 453 transitions. [2021-11-23 00:40:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 453 transitions. [2021-11-23 00:40:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:11,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:11,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:11,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:11,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:11,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:11,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:11,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:11,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:11,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:11,783 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:11,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 218 states and 455 transitions. [2021-11-23 00:40:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 455 transitions. [2021-11-23 00:40:12,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:12,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:12,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:12,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:12,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:12,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:12,091 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 29 treesize of output 17 [2021-11-23 00:40:12,126 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:12,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:12,345 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:12,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:12,916 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:12,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 219 states and 457 transitions. [2021-11-23 00:40:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 457 transitions. [2021-11-23 00:40:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:12,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:12,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:13,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:13,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:13,026 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 [2021-11-23 00:40:13,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:13,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:13,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:13,455 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:13,455 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 220 states and 459 transitions. [2021-11-23 00:40:13,952 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 459 transitions. [2021-11-23 00:40:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:13,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:13,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:14,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:14,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:14,039 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:14,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:14,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:14,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:14,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:14,384 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:14,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 221 states and 461 transitions. [2021-11-23 00:40:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 461 transitions. [2021-11-23 00:40:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:15,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:15,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:15,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:15,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:15,132 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:15,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:15,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:15,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:15,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:15,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:15,790 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:15,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 222 states and 463 transitions. [2021-11-23 00:40:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 463 transitions. [2021-11-23 00:40:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:16,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:16,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:16,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:16,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:16,103 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 [2021-11-23 00:40:16,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:16,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:16,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:16,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:16,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:16,228 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:16,228 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 223 states and 465 transitions. [2021-11-23 00:40:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 465 transitions. [2021-11-23 00:40:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:16,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:16,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:16,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:40:16,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:16,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:16,971 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 29 treesize of output 17 [2021-11-23 00:40:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:16,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:17,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:17,383 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:17,383 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:17,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 224 states and 467 transitions. [2021-11-23 00:40:17,982 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 467 transitions. [2021-11-23 00:40:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:17,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:17,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:18,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:18,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:18,067 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:18,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:18,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:18,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:18,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:18,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:18,735 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:18,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 225 states and 469 transitions. [2021-11-23 00:40:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 469 transitions. [2021-11-23 00:40:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:19,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:19,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:19,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:19,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:19,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:19,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:19,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:19,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:19,825 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:19,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 226 states and 471 transitions. [2021-11-23 00:40:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 471 transitions. [2021-11-23 00:40:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:20,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:20,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:20,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:20,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:20,523 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:20,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:20,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:20,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:20,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:20,944 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:20,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 227 states and 473 transitions. [2021-11-23 00:40:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 473 transitions. [2021-11-23 00:40:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:21,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:21,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:21,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:21,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:21,786 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:21,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:21,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:22,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:22,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:22,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:22,236 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:22,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 228 states and 475 transitions. [2021-11-23 00:40:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 475 transitions. [2021-11-23 00:40:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:23,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:23,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:23,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:23,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:23,162 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:40:23,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:40:23,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:23,387 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:23,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:23,642 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:23,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:24,250 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:24,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 229 states and 477 transitions. [2021-11-23 00:40:24,278 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 477 transitions. [2021-11-23 00:40:24,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:24,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:24,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:24,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:24,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:24,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:24,369 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 29 treesize of output 17 [2021-11-23 00:40:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:24,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:24,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:24,828 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:24,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:25,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 230 states and 479 transitions. [2021-11-23 00:40:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 479 transitions. [2021-11-23 00:40:25,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:25,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:25,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:25,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:25,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:25,190 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:25,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:25,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:25,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:25,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:25,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:25,644 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:25,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 231 states and 481 transitions. [2021-11-23 00:40:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 481 transitions. [2021-11-23 00:40:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:26,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:26,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:26,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:26,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:26,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:26,473 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 29 treesize of output 17 [2021-11-23 00:40:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:26,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:26,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:26,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:26,615 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:26,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 232 states and 483 transitions. [2021-11-23 00:40:27,481 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 483 transitions. [2021-11-23 00:40:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:27,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:27,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:27,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:27,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:27,557 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 [2021-11-23 00:40:27,561 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 29 treesize of output 17 [2021-11-23 00:40:27,594 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:27,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:27,695 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:27,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:28,260 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:28,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 233 states and 485 transitions. [2021-11-23 00:40:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 485 transitions. [2021-11-23 00:40:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:28,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:28,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:28,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:28,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:28,393 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:28,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:28,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:28,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:28,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:29,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:29,248 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:29,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 234 states and 487 transitions. [2021-11-23 00:40:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 487 transitions. [2021-11-23 00:40:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:30,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:30,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:30,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:30,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:30,166 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:30,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:30,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:30,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:31,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:31,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:31,026 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:31,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 235 states and 489 transitions. [2021-11-23 00:40:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 489 transitions. [2021-11-23 00:40:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:31,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:31,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:31,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:31,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:31,938 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:31,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:31,983 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 [2021-11-23 00:40:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:32,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:32,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:32,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:32,365 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:32,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 236 states and 491 transitions. [2021-11-23 00:40:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 491 transitions. [2021-11-23 00:40:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:33,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:33,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:33,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:33,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:33,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:33,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:33,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:33,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:33,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:33,429 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:33,430 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 237 states and 493 transitions. [2021-11-23 00:40:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 493 transitions. [2021-11-23 00:40:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:34,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:34,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:34,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:34,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:34,286 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:40:34,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:40:34,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:34,492 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:34,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:34,740 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:34,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:35,347 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:35,347 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 84 treesize of output 40 [2021-11-23 00:40:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 238 states and 495 transitions. [2021-11-23 00:40:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 495 transitions. [2021-11-23 00:40:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:35,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:35,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:35,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:35,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:35,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:35,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:35,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:35,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:35,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:35,951 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:35,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 239 states and 497 transitions. [2021-11-23 00:40:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 497 transitions. [2021-11-23 00:40:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:36,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:36,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:36,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:36,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:36,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:36,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:36,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:37,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:37,336 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:37,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 240 states and 499 transitions. [2021-11-23 00:40:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 499 transitions. [2021-11-23 00:40:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:38,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:38,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:38,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:38,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:38,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:38,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:38,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:38,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:38,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:38,674 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:38,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:39,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 241 states and 501 transitions. [2021-11-23 00:40:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 501 transitions. [2021-11-23 00:40:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:39,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:39,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:39,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:39,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:39,469 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:39,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:39,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:39,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:39,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:39,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:39,912 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:39,912 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 242 states and 503 transitions. [2021-11-23 00:40:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 503 transitions. [2021-11-23 00:40:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:40,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:40,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:40,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:40,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:40,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:40,715 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 29 treesize of output 17 [2021-11-23 00:40:40,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:40,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:41,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:41,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:41,217 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:41,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:41,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 243 states and 505 transitions. [2021-11-23 00:40:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 505 transitions. [2021-11-23 00:40:41,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:41,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:41,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:41,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:41,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:41,592 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:41,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:41,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:41,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:42,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:42,055 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:42,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 244 states and 507 transitions. [2021-11-23 00:40:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 507 transitions. [2021-11-23 00:40:42,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:42,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:42,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:42,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:40:42,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:42,979 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:40:42,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:40:43,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:43,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:44,335 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:40:44,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:40:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 246 states and 522 transitions. [2021-11-23 00:40:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 522 transitions. [2021-11-23 00:40:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:45,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:45,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:45,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:45,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:45,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:45,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:45,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:45,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:45,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:45,975 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:45,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 247 states and 524 transitions. [2021-11-23 00:40:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 524 transitions. [2021-11-23 00:40:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:46,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:46,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:46,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:46,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:46,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:46,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:46,406 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:46,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:46,538 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:46,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:47,208 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:47,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:40:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 248 states and 526 transitions. [2021-11-23 00:40:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 526 transitions. [2021-11-23 00:40:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:47,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:47,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:47,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:40:47,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:47,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:47,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:47,355 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:40:47,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:47,455 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:40:47,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:40:48,015 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:40:48,015 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 84 treesize of output 40 [2021-11-23 00:40:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 249 states and 528 transitions. [2021-11-23 00:40:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 528 transitions. [2021-11-23 00:40:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:48,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:48,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:48,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:48,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:48,153 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:48,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:48,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:48,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:48,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:48,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:48,998 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:48,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:49,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 250 states and 530 transitions. [2021-11-23 00:40:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 530 transitions. [2021-11-23 00:40:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:49,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:49,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:49,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:49,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:49,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:49,904 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 29 treesize of output 17 [2021-11-23 00:40:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:49,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:50,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:50,440 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:50,441 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 251 states and 532 transitions. [2021-11-23 00:40:51,295 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 532 transitions. [2021-11-23 00:40:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:51,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:51,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:51,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:51,423 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:51,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:51,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:51,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:51,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:52,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:52,301 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:52,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 252 states and 534 transitions. [2021-11-23 00:40:53,174 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 534 transitions. [2021-11-23 00:40:53,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:53,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:53,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:53,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:53,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:53,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:53,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:40:53,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:53,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:53,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:53,820 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:53,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:54,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 253 states and 536 transitions. [2021-11-23 00:40:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 536 transitions. [2021-11-23 00:40:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:54,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:54,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:54,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:54,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:54,741 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:54,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:54,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:55,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:55,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:55,601 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:55,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 254 states and 538 transitions. [2021-11-23 00:40:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 538 transitions. [2021-11-23 00:40:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:56,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:56,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:56,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:56,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:56,318 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:56,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:56,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:56,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:57,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:40:57,193 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:40:57,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:40:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 255 states and 540 transitions. [2021-11-23 00:40:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 540 transitions. [2021-11-23 00:40:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:57,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:40:57,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:57,945 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:40:57,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:40:57,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:40:58,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:40:58,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:40:58,730 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:40:58,730 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 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:40:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 256 states and 542 transitions. [2021-11-23 00:40:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 542 transitions. [2021-11-23 00:40:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:40:59,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:59,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:59,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:40:59,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:59,928 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:40:59,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:40:59,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:00,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:00,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:00,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:00,850 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:00,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 257 states and 544 transitions. [2021-11-23 00:41:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 544 transitions. [2021-11-23 00:41:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:01,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:01,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:01,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:01,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:01,745 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:01,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:01,788 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 [2021-11-23 00:41:02,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:02,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:02,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:02,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:02,640 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:02,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 258 states and 546 transitions. [2021-11-23 00:41:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 546 transitions. [2021-11-23 00:41:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:03,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:03,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:03,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:03,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:03,625 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:03,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:03,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:04,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:04,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:04,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:04,611 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:04,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 259 states and 548 transitions. [2021-11-23 00:41:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 548 transitions. [2021-11-23 00:41:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:05,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:05,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:05,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:05,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:05,568 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 [2021-11-23 00:41:05,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:05,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:05,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:05,706 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:05,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:06,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:06,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 260 states and 550 transitions. [2021-11-23 00:41:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 550 transitions. [2021-11-23 00:41:06,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:06,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:06,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:06,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:06,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:06,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:06,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:06,647 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:06,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:06,934 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:41:06,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:41:07,642 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:41:07,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:41:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 261 states and 552 transitions. [2021-11-23 00:41:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 552 transitions. [2021-11-23 00:41:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:07,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:07,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:07,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:41:07,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:07,750 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:07,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:07,797 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 [2021-11-23 00:41:08,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:08,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:08,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:08,688 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:08,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:09,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 262 states and 554 transitions. [2021-11-23 00:41:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 554 transitions. [2021-11-23 00:41:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:09,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:09,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:09,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:09,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:09,628 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:41:09,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:41:09,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:09,892 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:09,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:10,001 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:41:10,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:41:10,705 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:41:10,705 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 84 treesize of output 40 [2021-11-23 00:41:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 263 states and 556 transitions. [2021-11-23 00:41:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 556 transitions. [2021-11-23 00:41:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:10,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:10,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:10,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:10,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:10,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:10,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:10,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:11,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:11,400 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:11,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 264 states and 558 transitions. [2021-11-23 00:41:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 558 transitions. [2021-11-23 00:41:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:12,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:12,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:12,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:12,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:12,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:12,385 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 29 treesize of output 17 [2021-11-23 00:41:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:12,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:12,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:12,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:12,985 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:12,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 265 states and 560 transitions. [2021-11-23 00:41:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 560 transitions. [2021-11-23 00:41:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:13,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:13,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:13,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:13,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:13,692 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:13,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:13,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:14,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:14,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:14,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:14,578 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:14,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 266 states and 562 transitions. [2021-11-23 00:41:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 562 transitions. [2021-11-23 00:41:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:15,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:15,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:15,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:15,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:15,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:15,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:15,473 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:15,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:15,587 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:41:15,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:41:16,191 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:41:16,191 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 84 treesize of output 40 [2021-11-23 00:41:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 267 states and 564 transitions. [2021-11-23 00:41:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 564 transitions. [2021-11-23 00:41:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:16,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:16,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:16,318 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:16,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:16,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:16,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:17,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:17,232 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:17,232 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 268 states and 566 transitions. [2021-11-23 00:41:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 566 transitions. [2021-11-23 00:41:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:17,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:18,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:41:18,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:18,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:18,085 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 29 treesize of output 17 [2021-11-23 00:41:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:18,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:18,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:18,218 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:18,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 269 states and 568 transitions. [2021-11-23 00:41:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 568 transitions. [2021-11-23 00:41:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:19,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:19,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:19,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:19,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:19,164 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:19,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:19,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:19,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:20,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:20,094 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:20,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:20,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 270 states and 570 transitions. [2021-11-23 00:41:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 570 transitions. [2021-11-23 00:41:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:20,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:20,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:21,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:21,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:21,059 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 [2021-11-23 00:41:21,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:21,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:21,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:21,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:21,615 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:21,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 271 states and 572 transitions. [2021-11-23 00:41:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 572 transitions. [2021-11-23 00:41:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:22,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:22,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:22,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:41:22,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:22,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:22,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:22,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:22,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:23,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:23,081 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:23,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 272 states and 574 transitions. [2021-11-23 00:41:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 574 transitions. [2021-11-23 00:41:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:24,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:24,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:24,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:24,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:24,419 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:24,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:24,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:24,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:24,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:24,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:24,916 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:24,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:25,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 273 states and 576 transitions. [2021-11-23 00:41:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 576 transitions. [2021-11-23 00:41:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:25,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:25,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:25,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:25,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:25,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:25,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:25,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:26,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:26,498 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:26,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 274 states and 578 transitions. [2021-11-23 00:41:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 578 transitions. [2021-11-23 00:41:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:27,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:27,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:27,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:27,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:27,529 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:27,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:27,585 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 [2021-11-23 00:41:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:27,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:28,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:28,463 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:28,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 275 states and 580 transitions. [2021-11-23 00:41:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 580 transitions. [2021-11-23 00:41:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:28,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:28,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:28,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:28,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:28,860 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:28,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:28,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:29,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:29,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:29,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:29,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:29,776 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:29,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 276 states and 582 transitions. [2021-11-23 00:41:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 582 transitions. [2021-11-23 00:41:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:30,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:30,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:30,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:30,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:30,663 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:30,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:30,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:31,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:31,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:31,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:31,588 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:31,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 277 states and 584 transitions. [2021-11-23 00:41:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 584 transitions. [2021-11-23 00:41:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:32,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:32,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:32,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:32,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:32,455 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:32,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:32,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:32,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:33,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:33,456 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:33,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 278 states and 586 transitions. [2021-11-23 00:41:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 586 transitions. [2021-11-23 00:41:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:34,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:34,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:34,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:34,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:34,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:34,512 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 29 treesize of output 17 [2021-11-23 00:41:34,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:34,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:35,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:35,080 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:35,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:35,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 279 states and 588 transitions. [2021-11-23 00:41:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 588 transitions. [2021-11-23 00:41:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:35,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:35,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:35,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:35,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:35,968 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:35,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:36,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:36,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:36,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:36,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:36,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:36,493 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:36,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 280 states and 590 transitions. [2021-11-23 00:41:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 590 transitions. [2021-11-23 00:41:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:37,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:37,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:37,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:37,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:37,575 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:37,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:37,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:38,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:38,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:38,573 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:38,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 281 states and 592 transitions. [2021-11-23 00:41:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 592 transitions. [2021-11-23 00:41:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:39,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:39,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:39,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:39,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:39,511 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:39,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:39,567 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 [2021-11-23 00:41:39,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:39,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:40,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:40,598 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:40,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 282 states and 594 transitions. [2021-11-23 00:41:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 594 transitions. [2021-11-23 00:41:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:40,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:40,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:40,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:40,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:40,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:40,984 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 29 treesize of output 17 [2021-11-23 00:41:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:41,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:41,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:41,130 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:41,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 283 states and 596 transitions. [2021-11-23 00:41:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 596 transitions. [2021-11-23 00:41:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:42,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:42,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:42,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:42,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:42,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:42,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:42,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:42,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:42,844 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:42,844 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 284 states and 598 transitions. [2021-11-23 00:41:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 598 transitions. [2021-11-23 00:41:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:43,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:43,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:43,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:43,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:43,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:43,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:43,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:44,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:44,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:44,521 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:44,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:45,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 285 states and 600 transitions. [2021-11-23 00:41:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 600 transitions. [2021-11-23 00:41:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:45,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:45,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:45,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:45,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:45,634 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:45,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:45,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:46,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:46,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:46,169 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:46,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 286 states and 602 transitions. [2021-11-23 00:41:47,146 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 602 transitions. [2021-11-23 00:41:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:47,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:47,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:47,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:47,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:47,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:47,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:47,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:47,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:47,872 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:47,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 287 states and 604 transitions. [2021-11-23 00:41:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 604 transitions. [2021-11-23 00:41:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:48,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:48,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:48,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:48,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:48,919 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:48,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:48,963 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 [2021-11-23 00:41:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:49,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:49,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:49,901 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:49,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 288 states and 606 transitions. [2021-11-23 00:41:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 606 transitions. [2021-11-23 00:41:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:50,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:50,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:50,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:50,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:50,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:50,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:50,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:51,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:51,468 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:51,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 289 states and 608 transitions. [2021-11-23 00:41:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 608 transitions. [2021-11-23 00:41:52,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:52,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:52,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:52,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:52,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:52,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:52,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:52,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:53,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:53,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:53,152 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:53,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:53,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:53,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 290 states and 610 transitions. [2021-11-23 00:41:53,984 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 610 transitions. [2021-11-23 00:41:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:53,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:53,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:54,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:54,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:54,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:54,070 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 29 treesize of output 17 [2021-11-23 00:41:54,107 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:54,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:54,403 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:41:54,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:41:55,121 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:41:55,122 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 84 treesize of output 40 [2021-11-23 00:41:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 291 states and 612 transitions. [2021-11-23 00:41:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 612 transitions. [2021-11-23 00:41:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:55,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:55,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:55,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:55,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:55,283 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:41:55,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:41:55,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:55,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:56,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:56,305 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:41:56,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:41:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 292 states and 614 transitions. [2021-11-23 00:41:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 614 transitions. [2021-11-23 00:41:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:57,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:57,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:57,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:41:57,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:57,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:57,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:41:57,304 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:57,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:41:58,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:58,228 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:41:58,228 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 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:42:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 293 states and 616 transitions. [2021-11-23 00:42:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 616 transitions. [2021-11-23 00:42:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:01,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:01,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:01,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:01,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:01,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:01,224 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 29 treesize of output 17 [2021-11-23 00:42:01,264 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:01,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:01,561 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:42:01,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:42:02,267 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:42:02,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:42:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 294 states and 618 transitions. [2021-11-23 00:42:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 618 transitions. [2021-11-23 00:42:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:02,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:02,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:02,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:02,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:02,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:02,383 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 29 treesize of output 17 [2021-11-23 00:42:02,425 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:02,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:03,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:03,350 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:42:03,351 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 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:42:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 295 states and 620 transitions. [2021-11-23 00:42:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 620 transitions. [2021-11-23 00:42:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:03,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:03,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:03,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:03,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:03,881 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:03,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:03,942 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 [2021-11-23 00:42:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:04,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:04,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:04,428 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:04,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 296 states and 622 transitions. [2021-11-23 00:42:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 622 transitions. [2021-11-23 00:42:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:05,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:05,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:05,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:05,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:05,376 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:05,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:05,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:05,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:05,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:05,921 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:05,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 297 states and 624 transitions. [2021-11-23 00:42:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 624 transitions. [2021-11-23 00:42:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:06,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:06,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:07,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:07,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:07,078 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:07,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:07,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:07,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:07,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:07,616 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:07,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 298 states and 626 transitions. [2021-11-23 00:42:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 626 transitions. [2021-11-23 00:42:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:08,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:08,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:08,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:08,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:08,837 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:08,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:08,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:09,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:09,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:09,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:09,849 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:09,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 299 states and 628 transitions. [2021-11-23 00:42:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 628 transitions. [2021-11-23 00:42:10,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:10,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:10,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:10,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:10,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:10,635 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 [2021-11-23 00:42:10,639 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 29 treesize of output 17 [2021-11-23 00:42:10,696 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:10,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:11,609 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:42:11,610 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 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:42:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 300 states and 630 transitions. [2021-11-23 00:42:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 630 transitions. [2021-11-23 00:42:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:15,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:15,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:15,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:15,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:15,622 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:15,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:15,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:16,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:16,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:16,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:16,675 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:16,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 301 states and 632 transitions. [2021-11-23 00:42:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 632 transitions. [2021-11-23 00:42:17,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:17,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:17,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:17,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:17,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:17,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:17,435 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 29 treesize of output 17 [2021-11-23 00:42:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:17,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:17,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:17,599 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:17,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 302 states and 634 transitions. [2021-11-23 00:42:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 634 transitions. [2021-11-23 00:42:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:19,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:19,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:19,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:42:19,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:19,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:19,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:19,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:19,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:20,006 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:20,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 303 states and 636 transitions. [2021-11-23 00:42:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 636 transitions. [2021-11-23 00:42:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:20,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:20,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:20,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:20,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:20,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:20,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:21,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:21,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:21,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:21,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:21,103 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:21,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:21,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 304 states and 638 transitions. [2021-11-23 00:42:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 638 transitions. [2021-11-23 00:42:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:21,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:21,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:22,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:22,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:22,077 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:22,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:22,133 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 [2021-11-23 00:42:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:22,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:23,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:23,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:23,160 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:23,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 305 states and 640 transitions. [2021-11-23 00:42:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 640 transitions. [2021-11-23 00:42:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:24,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:24,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:24,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:24,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:24,233 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:24,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:24,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:24,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:24,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:25,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:25,287 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:25,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 306 states and 642 transitions. [2021-11-23 00:42:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 642 transitions. [2021-11-23 00:42:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:26,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:26,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:26,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:26,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:26,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:26,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:26,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:26,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:26,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:26,530 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:26,530 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 307 states and 644 transitions. [2021-11-23 00:42:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 644 transitions. [2021-11-23 00:42:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:27,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:27,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:27,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:27,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:27,651 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:27,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:27,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:28,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:28,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:28,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:28,808 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:28,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 308 states and 646 transitions. [2021-11-23 00:42:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 646 transitions. [2021-11-23 00:42:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:29,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:29,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:29,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:29,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:29,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:29,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:29,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:29,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:30,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:30,506 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:30,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 309 states and 648 transitions. [2021-11-23 00:42:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 648 transitions. [2021-11-23 00:42:31,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:31,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:31,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:31,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:31,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:31,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:31,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:31,675 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:31,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:32,014 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:42:32,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:42:32,830 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:42:32,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:42:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 310 states and 650 transitions. [2021-11-23 00:42:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 650 transitions. [2021-11-23 00:42:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:32,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:32,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:32,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:32,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:32,992 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:42:32,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:42:33,056 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 [2021-11-23 00:42:33,267 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:33,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:33,581 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:42:33,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:42:34,270 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:42:34,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:42:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 311 states and 652 transitions. [2021-11-23 00:42:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 652 transitions. [2021-11-23 00:42:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:34,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:34,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:34,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:34,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:34,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:34,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:34,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:35,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:35,084 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:35,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 312 states and 654 transitions. [2021-11-23 00:42:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 654 transitions. [2021-11-23 00:42:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:36,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:36,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:36,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:36,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:36,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:36,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:36,452 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:36,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 313 states and 656 transitions. [2021-11-23 00:42:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 656 transitions. [2021-11-23 00:42:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:37,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:37,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:37,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:37,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:37,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:37,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:37,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:37,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:38,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:38,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:38,106 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:38,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 314 states and 658 transitions. [2021-11-23 00:42:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 658 transitions. [2021-11-23 00:42:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:39,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:39,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:39,231 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:39,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:39,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:39,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:40,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:40,331 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:40,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 315 states and 660 transitions. [2021-11-23 00:42:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 660 transitions. [2021-11-23 00:42:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:40,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:40,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:40,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:40,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:40,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:40,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:40,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:40,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:41,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:41,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:41,448 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:41,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 316 states and 662 transitions. [2021-11-23 00:42:42,372 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 662 transitions. [2021-11-23 00:42:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:42,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:42,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:42,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:42,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:42,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:43,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:43,138 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:43,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 317 states and 664 transitions. [2021-11-23 00:42:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 664 transitions. [2021-11-23 00:42:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:44,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:44,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:44,284 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:44,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:44,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:44,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:44,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:45,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:45,376 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:45,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 318 states and 666 transitions. [2021-11-23 00:42:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 666 transitions. [2021-11-23 00:42:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:46,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:46,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:46,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:46,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:46,207 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:42:46,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:42:46,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:46,473 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:46,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:46,815 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:42:46,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:42:47,626 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:42:47,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:42:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 319 states and 668 transitions. [2021-11-23 00:42:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 668 transitions. [2021-11-23 00:42:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:47,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:47,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:47,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:47,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:47,777 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:47,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:47,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:48,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:48,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:48,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:48,887 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:48,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:49,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 320 states and 670 transitions. [2021-11-23 00:42:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 670 transitions. [2021-11-23 00:42:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:49,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:49,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:49,907 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:42:49,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:42:49,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:50,001 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:50,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:50,971 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:42:50,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:42:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 321 states and 672 transitions. [2021-11-23 00:42:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 672 transitions. [2021-11-23 00:42:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:53,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:54,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:54,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:54,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:54,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:54,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:54,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:54,192 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:54,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 322 states and 674 transitions. [2021-11-23 00:42:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 674 transitions. [2021-11-23 00:42:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:54,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:54,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:55,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:55,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:55,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:55,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:55,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:55,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:55,195 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:55,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:56,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 323 states and 676 transitions. [2021-11-23 00:42:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 676 transitions. [2021-11-23 00:42:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:56,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:56,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:56,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:56,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:56,257 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 [2021-11-23 00:42:56,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:42:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:56,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:56,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:56,955 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:56,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:42:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 324 states and 678 transitions. [2021-11-23 00:42:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 678 transitions. [2021-11-23 00:42:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:57,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:57,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:57,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:57,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:58,002 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:42:58,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:42:58,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:58,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:58,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:42:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:59,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:59,146 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:42:59,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 325 states and 680 transitions. [2021-11-23 00:43:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 680 transitions. [2021-11-23 00:43:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:00,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:00,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:00,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:00,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:00,241 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:00,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:00,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:00,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:01,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:01,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:01,436 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:01,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 326 states and 682 transitions. [2021-11-23 00:43:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 682 transitions. [2021-11-23 00:43:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:01,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:01,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:01,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:01,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:01,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:01,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:01,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:02,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:02,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:02,580 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:02,580 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 327 states and 684 transitions. [2021-11-23 00:43:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 684 transitions. [2021-11-23 00:43:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:03,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:03,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:03,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:03,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:03,637 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:43:03,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:43:03,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:03,962 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:03,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:04,316 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:04,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:05,157 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:05,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:43:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 328 states and 686 transitions. [2021-11-23 00:43:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 686 transitions. [2021-11-23 00:43:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:05,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:05,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:05,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:43:05,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:05,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:05,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:05,310 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:05,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:05,428 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:43:05,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:43:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 329 states and 688 transitions. [2021-11-23 00:43:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 688 transitions. [2021-11-23 00:43:09,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:09,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:09,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:09,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:09,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:09,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:09,892 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 29 treesize of output 17 [2021-11-23 00:43:09,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:09,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:10,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:10,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:10,053 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:10,054 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 330 states and 690 transitions. [2021-11-23 00:43:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 690 transitions. [2021-11-23 00:43:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:11,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:11,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:11,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:11,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:11,254 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:11,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:11,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:11,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:12,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:12,403 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:12,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 331 states and 692 transitions. [2021-11-23 00:43:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 692 transitions. [2021-11-23 00:43:13,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:13,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:13,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:13,520 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:13,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:13,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:14,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:14,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:14,742 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:14,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 332 states and 694 transitions. [2021-11-23 00:43:15,853 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 694 transitions. [2021-11-23 00:43:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:15,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:15,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:15,980 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:15,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:16,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:16,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:17,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:17,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:17,149 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:17,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:18,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:18,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 333 states and 696 transitions. [2021-11-23 00:43:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 696 transitions. [2021-11-23 00:43:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:18,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:18,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:18,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:18,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:18,365 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:18,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:18,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:18,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:18,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:18,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:18,978 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:18,978 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 334 states and 698 transitions. [2021-11-23 00:43:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 698 transitions. [2021-11-23 00:43:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:20,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:20,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:20,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:20,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:20,925 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 29 treesize of output 17 [2021-11-23 00:43:20,973 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:20,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:21,095 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:21,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:21,922 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:21,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:43:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 335 states and 700 transitions. [2021-11-23 00:43:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 700 transitions. [2021-11-23 00:43:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:21,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:22,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:22,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:22,047 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:22,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:22,106 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 [2021-11-23 00:43:22,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:22,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:22,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:22,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:22,677 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:22,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 336 states and 702 transitions. [2021-11-23 00:43:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 702 transitions. [2021-11-23 00:43:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:23,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:23,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:23,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:23,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:23,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:23,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:23,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:24,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:24,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:24,475 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:24,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 337 states and 704 transitions. [2021-11-23 00:43:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 704 transitions. [2021-11-23 00:43:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:25,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:25,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:25,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:25,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:25,668 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:25,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:25,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:26,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:26,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:26,845 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:26,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 338 states and 706 transitions. [2021-11-23 00:43:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 706 transitions. [2021-11-23 00:43:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:28,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:28,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:28,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:28,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:28,359 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:43:28,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:43:28,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:28,670 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:28,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:29,020 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:29,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:29,880 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:29,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:43:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 339 states and 708 transitions. [2021-11-23 00:43:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 708 transitions. [2021-11-23 00:43:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:29,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:29,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:29,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:29,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:30,010 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:30,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:30,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:30,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:31,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:31,226 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:31,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:32,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 340 states and 710 transitions. [2021-11-23 00:43:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 710 transitions. [2021-11-23 00:43:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:32,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:32,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:32,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:32,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:32,319 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:32,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:32,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:32,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:32,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:32,942 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:32,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:33,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 341 states and 712 transitions. [2021-11-23 00:43:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 712 transitions. [2021-11-23 00:43:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:33,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:33,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:34,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:34,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:34,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:34,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:34,123 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:34,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:34,470 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:34,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:35,369 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:35,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:43:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 342 states and 714 transitions. [2021-11-23 00:43:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 714 transitions. [2021-11-23 00:43:35,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:35,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:35,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:35,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:35,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:35,518 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:43:35,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:43:35,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:35,824 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:35,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:35,950 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:35,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:36,500 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:36,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:43:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 343 states and 716 transitions. [2021-11-23 00:43:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 716 transitions. [2021-11-23 00:43:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:36,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:36,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:36,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:36,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:36,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:36,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:36,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:36,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:37,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:37,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:37,315 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:37,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 344 states and 718 transitions. [2021-11-23 00:43:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 718 transitions. [2021-11-23 00:43:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:38,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:38,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:38,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:38,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:38,557 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 [2021-11-23 00:43:38,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:38,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:38,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:39,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:39,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:39,285 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:39,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 345 states and 720 transitions. [2021-11-23 00:43:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 720 transitions. [2021-11-23 00:43:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:40,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:40,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:40,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:40,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:40,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:40,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:40,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:41,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:41,109 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:41,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 346 states and 722 transitions. [2021-11-23 00:43:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 722 transitions. [2021-11-23 00:43:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:41,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:41,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:41,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:41,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:41,600 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:41,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:41,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:42,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:42,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:42,784 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:42,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 347 states and 724 transitions. [2021-11-23 00:43:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 724 transitions. [2021-11-23 00:43:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:43,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:43,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:44,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:44,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:44,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:44,044 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 29 treesize of output 17 [2021-11-23 00:43:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:44,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:44,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:44,224 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:44,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 348 states and 726 transitions. [2021-11-23 00:43:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 726 transitions. [2021-11-23 00:43:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:45,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:45,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:45,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:45,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:45,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:45,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:45,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:46,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:46,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:46,187 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:46,187 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 349 states and 728 transitions. [2021-11-23 00:43:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 728 transitions. [2021-11-23 00:43:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:47,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:47,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:47,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:47,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:47,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:47,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:47,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:48,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:48,128 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:48,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 350 states and 730 transitions. [2021-11-23 00:43:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 730 transitions. [2021-11-23 00:43:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:49,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:49,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:49,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:49,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:49,310 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:49,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:49,373 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 [2021-11-23 00:43:49,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:49,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:50,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:50,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:50,553 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:50,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 351 states and 732 transitions. [2021-11-23 00:43:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 732 transitions. [2021-11-23 00:43:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:51,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:51,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:51,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:51,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:51,923 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:43:51,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:43:51,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:52,226 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:52,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:52,605 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:52,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:53,520 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:53,520 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 84 treesize of output 40 [2021-11-23 00:43:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 352 states and 734 transitions. [2021-11-23 00:43:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 734 transitions. [2021-11-23 00:43:53,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:53,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:53,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:53,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:53,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:53,656 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:53,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:53,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:54,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:54,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:54,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:54,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:54,886 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:43:54,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:43:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 353 states and 736 transitions. [2021-11-23 00:43:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 736 transitions. [2021-11-23 00:43:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:55,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:56,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:56,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:56,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:56,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:56,057 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:56,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:56,426 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:56,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:57,334 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:57,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:43:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 354 states and 738 transitions. [2021-11-23 00:43:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 738 transitions. [2021-11-23 00:43:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:57,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:57,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:57,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:57,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:57,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:57,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:43:57,509 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:57,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:43:57,876 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:43:57,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:43:58,731 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:43:58,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:43:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 355 states and 740 transitions. [2021-11-23 00:43:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 740 transitions. [2021-11-23 00:43:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:58,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:58,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:58,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:58,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:58,865 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:43:58,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:43:58,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:59,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:59,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:00,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:00,076 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:00,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 356 states and 742 transitions. [2021-11-23 00:44:01,271 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 742 transitions. [2021-11-23 00:44:01,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:01,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:01,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:01,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:01,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:01,391 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:01,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:01,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:01,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:02,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:02,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:02,626 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:02,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 357 states and 744 transitions. [2021-11-23 00:44:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 744 transitions. [2021-11-23 00:44:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:03,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:03,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:03,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:03,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:03,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:03,767 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 29 treesize of output 17 [2021-11-23 00:44:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:03,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:04,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:04,524 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:04,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 358 states and 746 transitions. [2021-11-23 00:44:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 746 transitions. [2021-11-23 00:44:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:05,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:05,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:05,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:05,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:05,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:05,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:05,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:06,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:06,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:06,411 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:06,412 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 359 states and 748 transitions. [2021-11-23 00:44:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 748 transitions. [2021-11-23 00:44:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:07,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:07,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:07,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:07,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:07,703 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:07,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:07,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:08,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:08,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:08,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:08,955 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:08,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 360 states and 750 transitions. [2021-11-23 00:44:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 750 transitions. [2021-11-23 00:44:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:10,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:10,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:10,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:44:10,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:10,360 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:10,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:10,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:10,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:10,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:11,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:11,664 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:11,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:12,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 361 states and 752 transitions. [2021-11-23 00:44:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 752 transitions. [2021-11-23 00:44:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:12,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:12,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:12,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:12,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:12,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:12,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:13,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:13,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:13,728 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:13,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 362 states and 754 transitions. [2021-11-23 00:44:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 754 transitions. [2021-11-23 00:44:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:14,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:14,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:14,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:14,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:14,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:14,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:14,907 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:14,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:15,270 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:44:15,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:44:16,170 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:44:16,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:44:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 363 states and 756 transitions. [2021-11-23 00:44:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 756 transitions. [2021-11-23 00:44:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:16,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:16,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:16,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:16,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:16,321 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:16,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:16,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:16,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:16,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:16,972 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:16,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 364 states and 758 transitions. [2021-11-23 00:44:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 758 transitions. [2021-11-23 00:44:18,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:18,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:18,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:18,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:18,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:18,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:18,266 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 29 treesize of output 17 [2021-11-23 00:44:18,311 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:18,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:18,683 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:44:18,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:44:19,610 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:44:19,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:44:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 365 states and 760 transitions. [2021-11-23 00:44:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 760 transitions. [2021-11-23 00:44:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:19,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:19,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:19,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:19,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:19,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:19,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:19,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:20,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:20,508 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:20,509 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 366 states and 762 transitions. [2021-11-23 00:44:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 762 transitions. [2021-11-23 00:44:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:22,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:22,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:22,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:22,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:22,266 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:22,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:22,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:22,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:22,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:23,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:23,585 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:23,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:24,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 367 states and 764 transitions. [2021-11-23 00:44:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 764 transitions. [2021-11-23 00:44:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:24,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:24,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:24,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:24,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:24,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:24,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:24,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:24,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:25,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:25,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:25,611 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:25,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 368 states and 766 transitions. [2021-11-23 00:44:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 766 transitions. [2021-11-23 00:44:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:26,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:26,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:26,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:26,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:26,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:26,806 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 29 treesize of output 17 [2021-11-23 00:44:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:26,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:27,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:27,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:27,587 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:27,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 369 states and 768 transitions. [2021-11-23 00:44:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 768 transitions. [2021-11-23 00:44:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:28,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:28,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:28,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:28,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:28,540 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:28,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:28,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:29,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:29,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:29,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:29,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:29,819 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:29,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 370 states and 770 transitions. [2021-11-23 00:44:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 770 transitions. [2021-11-23 00:44:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:31,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:31,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:31,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:31,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:31,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:31,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:31,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:31,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:31,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:32,004 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:32,005 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 371 states and 772 transitions. [2021-11-23 00:44:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 772 transitions. [2021-11-23 00:44:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:33,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:33,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:33,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:33,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:33,372 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:44:33,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:44:33,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:33,691 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:33,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:34,081 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:44:34,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:44:35,028 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:44:35,028 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 84 treesize of output 40 [2021-11-23 00:44:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:35,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 372 states and 774 transitions. [2021-11-23 00:44:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 774 transitions. [2021-11-23 00:44:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:35,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:35,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:35,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:35,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:35,150 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:35,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:35,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:35,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:36,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:36,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:36,458 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:36,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:37,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 373 states and 776 transitions. [2021-11-23 00:44:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 776 transitions. [2021-11-23 00:44:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:37,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:37,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:37,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:37,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:37,763 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:37,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:37,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:38,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:38,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:39,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:39,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:39,085 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:39,085 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 374 states and 778 transitions. [2021-11-23 00:44:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 778 transitions. [2021-11-23 00:44:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:40,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:40,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:40,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:40,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:40,341 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:40,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:40,414 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 [2021-11-23 00:44:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:40,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:41,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:41,648 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:41,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:42,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 375 states and 780 transitions. [2021-11-23 00:44:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 780 transitions. [2021-11-23 00:44:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:42,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:42,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:42,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:42,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:42,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:42,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:42,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:43,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:43,769 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:43,769 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 376 states and 782 transitions. [2021-11-23 00:44:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 782 transitions. [2021-11-23 00:44:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:45,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:45,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:45,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:45,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:45,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:45,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:46,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:46,016 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:46,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 377 states and 784 transitions. [2021-11-23 00:44:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 784 transitions. [2021-11-23 00:44:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:47,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:47,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:47,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:47,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:47,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:47,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:47,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:47,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:47,393 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:47,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 378 states and 786 transitions. [2021-11-23 00:44:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 786 transitions. [2021-11-23 00:44:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:48,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:48,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:48,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:48,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:48,735 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:48,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:48,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:49,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:49,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:50,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:50,109 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:50,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 379 states and 788 transitions. [2021-11-23 00:44:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 788 transitions. [2021-11-23 00:44:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:51,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:44:51,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:51,291 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:44:51,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:44:51,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:52,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:52,456 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:44:52,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:44:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 380 states and 790 transitions. [2021-11-23 00:44:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 790 transitions. [2021-11-23 00:44:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:54,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:54,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:54,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:44:54,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:54,171 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:44:54,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:44:54,235 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 [2021-11-23 00:44:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:55,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:55,337 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:44:55,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:44:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 381 states and 792 transitions. [2021-11-23 00:44:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 792 transitions. [2021-11-23 00:44:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:56,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:56,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:56,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:56,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:56,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:56,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:44:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:56,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:56,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:56,772 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:56,772 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:57,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 382 states and 794 transitions. [2021-11-23 00:44:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 794 transitions. [2021-11-23 00:44:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:57,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:57,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:57,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:57,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:57,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:57,992 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 29 treesize of output 17 [2021-11-23 00:44:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:58,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:44:58,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:58,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:58,173 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:44:58,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:44:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 383 states and 796 transitions. [2021-11-23 00:44:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 796 transitions. [2021-11-23 00:44:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:59,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:59,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:59,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:59,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:59,638 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:44:59,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:44:59,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:00,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:00,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:00,356 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:00,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 384 states and 798 transitions. [2021-11-23 00:45:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 798 transitions. [2021-11-23 00:45:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:01,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:01,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:01,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:01,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:01,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:01,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:45:01,882 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:01,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:02,267 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:45:02,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:45:03,248 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:45:03,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:45:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 385 states and 800 transitions. [2021-11-23 00:45:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 800 transitions. [2021-11-23 00:45:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:03,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:03,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:03,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:03,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:03,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:03,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:45:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:03,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:04,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:04,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:04,202 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:04,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 386 states and 802 transitions. [2021-11-23 00:45:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 802 transitions. [2021-11-23 00:45:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:05,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:05,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:05,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:05,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:05,593 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:05,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:05,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:06,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:06,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:06,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:06,958 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:06,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 387 states and 804 transitions. [2021-11-23 00:45:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 804 transitions. [2021-11-23 00:45:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:08,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:08,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:08,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:08,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:08,186 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 [2021-11-23 00:45:08,190 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 29 treesize of output 17 [2021-11-23 00:45:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:08,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:08,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:09,001 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:09,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 388 states and 806 transitions. [2021-11-23 00:45:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 806 transitions. [2021-11-23 00:45:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:10,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:10,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:10,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:10,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:10,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:10,900 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 29 treesize of output 17 [2021-11-23 00:45:10,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:10,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:11,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:11,715 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:11,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 389 states and 808 transitions. [2021-11-23 00:45:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 808 transitions. [2021-11-23 00:45:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:12,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:12,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:12,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:12,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:12,244 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:12,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:12,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:12,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:12,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:12,952 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:12,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 390 states and 810 transitions. [2021-11-23 00:45:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 810 transitions. [2021-11-23 00:45:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:14,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:14,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:14,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:14,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:14,331 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:45:14,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:45:14,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:14,667 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:14,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:14,807 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:45:14,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:45:15,787 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:45:15,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:45:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 391 states and 812 transitions. [2021-11-23 00:45:15,821 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 812 transitions. [2021-11-23 00:45:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:15,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:15,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:15,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:15,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:15,949 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:15,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:16,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:16,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:17,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:17,307 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:17,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 392 states and 814 transitions. [2021-11-23 00:45:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 814 transitions. [2021-11-23 00:45:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:18,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:18,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:18,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:18,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:18,543 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:18,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:18,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:19,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:19,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:19,915 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:19,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 393 states and 816 transitions. [2021-11-23 00:45:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 816 transitions. [2021-11-23 00:45:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:21,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:21,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:21,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:45:21,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:21,148 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:21,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:21,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:21,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:22,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:22,509 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:22,509 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 394 states and 818 transitions. [2021-11-23 00:45:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 818 transitions. [2021-11-23 00:45:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:25,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:25,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:25,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:25,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:25,208 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:45:25,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:45:25,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:25,568 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:25,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:25,699 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:45:25,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:45:26,726 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:45:26,727 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 84 treesize of output 40 [2021-11-23 00:45:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 395 states and 820 transitions. [2021-11-23 00:45:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 820 transitions. [2021-11-23 00:45:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:26,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:26,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:26,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:26,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:26,866 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:26,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:26,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:27,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:28,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:28,243 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:28,243 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 396 states and 822 transitions. [2021-11-23 00:45:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 822 transitions. [2021-11-23 00:45:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:29,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:29,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:29,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:29,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:29,472 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:29,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:29,531 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 [2021-11-23 00:45:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:30,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:30,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:30,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:30,885 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:30,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 397 states and 824 transitions. [2021-11-23 00:45:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 824 transitions. [2021-11-23 00:45:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:32,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:32,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:32,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:32,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:32,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:32,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:45:32,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:32,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:32,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:32,348 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:32,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 398 states and 826 transitions. [2021-11-23 00:45:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 826 transitions. [2021-11-23 00:45:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:33,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:33,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:33,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:33,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:33,790 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:33,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:33,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:34,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:35,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:35,174 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:35,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 399 states and 828 transitions. [2021-11-23 00:45:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 828 transitions. [2021-11-23 00:45:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:36,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:36,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:36,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:36,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:36,478 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:36,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:36,567 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 [2021-11-23 00:45:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:37,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:37,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:37,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:37,228 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:37,228 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 400 states and 830 transitions. [2021-11-23 00:45:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 830 transitions. [2021-11-23 00:45:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:38,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:38,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:38,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:38,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:38,554 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:45:38,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:45:38,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:38,915 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:38,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:39,339 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:45:39,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:45:40,373 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:45:40,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:45:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 401 states and 832 transitions. [2021-11-23 00:45:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 832 transitions. [2021-11-23 00:45:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:40,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:40,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:40,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:40,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:40,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:40,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:45:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:40,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:41,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:41,367 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:41,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 402 states and 834 transitions. [2021-11-23 00:45:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 834 transitions. [2021-11-23 00:45:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:42,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:42,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:42,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:42,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:42,854 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:45:42,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:45:42,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:43,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:43,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:44,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:44,279 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:44,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 403 states and 836 transitions. [2021-11-23 00:45:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 836 transitions. [2021-11-23 00:45:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:45,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:45,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:45,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:45:45,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:45,618 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:45:45,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:45:45,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:45,990 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:45,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:46,135 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:45:46,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:45:47,117 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:45:47,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:45:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 404 states and 838 transitions. [2021-11-23 00:45:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 838 transitions. [2021-11-23 00:45:47,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:47,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:47,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:47,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:47,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:47,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:47,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:45:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:47,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:47,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:47,421 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:47,421 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 405 states and 840 transitions. [2021-11-23 00:45:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 840 transitions. [2021-11-23 00:45:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:48,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:48,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:48,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:48,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:48,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:48,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:45:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:48,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:48,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:48,951 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:48,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:50,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 406 states and 842 transitions. [2021-11-23 00:45:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 842 transitions. [2021-11-23 00:45:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:50,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:50,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:50,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:45:50,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:50,381 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:45:50,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:45:50,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:51,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:52,652 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:45:52,652 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 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:45:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:54,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 407 states and 844 transitions. [2021-11-23 00:45:54,370 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 844 transitions. [2021-11-23 00:45:54,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:54,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:54,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:54,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:45:54,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:54,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:54,481 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 29 treesize of output 17 [2021-11-23 00:45:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:54,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:55,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:55,322 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:45:55,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:45:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 408 states and 846 transitions. [2021-11-23 00:45:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 846 transitions. [2021-11-23 00:45:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:56,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:56,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:56,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:56,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:56,746 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:45:56,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:45:56,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:57,105 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:57,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:57,526 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:45:57,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:45:58,484 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:45:58,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:45:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 409 states and 848 transitions. [2021-11-23 00:45:58,539 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 848 transitions. [2021-11-23 00:45:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:58,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:58,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:58,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:58,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:58,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:58,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:45:58,670 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:58,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:45:59,073 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:45:59,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:00,132 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:00,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:46:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 410 states and 850 transitions. [2021-11-23 00:46:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 850 transitions. [2021-11-23 00:46:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:00,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:00,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:00,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:00,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:00,328 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:00,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:00,399 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 [2021-11-23 00:46:00,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:00,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:01,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:01,768 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:01,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 411 states and 852 transitions. [2021-11-23 00:46:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 852 transitions. [2021-11-23 00:46:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:03,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:03,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:03,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:03,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:03,295 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:03,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:03,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:03,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:04,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:04,058 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:04,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 412 states and 854 transitions. [2021-11-23 00:46:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 854 transitions. [2021-11-23 00:46:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:05,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:05,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:05,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:05,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:05,513 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 [2021-11-23 00:46:05,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:46:05,576 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:05,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:06,014 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:46:06,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:07,067 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:07,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:46:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 413 states and 856 transitions. [2021-11-23 00:46:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 856 transitions. [2021-11-23 00:46:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:07,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:07,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:07,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:07,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:07,264 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:07,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:07,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:07,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:07,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:08,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:08,740 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:08,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:09,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 414 states and 858 transitions. [2021-11-23 00:46:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 858 transitions. [2021-11-23 00:46:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:09,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:09,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:09,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:09,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:09,299 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:46:09,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:46:09,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:09,672 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:09,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:10,091 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:46:10,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:11,168 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:11,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:46:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 415 states and 860 transitions. [2021-11-23 00:46:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 860 transitions. [2021-11-23 00:46:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:11,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:11,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:11,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:11,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:11,317 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 [2021-11-23 00:46:11,322 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 29 treesize of output 17 [2021-11-23 00:46:11,380 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:11,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:11,799 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:46:11,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:12,880 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:12,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:46:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 416 states and 862 transitions. [2021-11-23 00:46:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 862 transitions. [2021-11-23 00:46:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:12,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:12,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:12,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:12,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:13,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:13,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:46:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:13,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:13,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:13,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:13,933 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:13,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 417 states and 864 transitions. [2021-11-23 00:46:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 864 transitions. [2021-11-23 00:46:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:15,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:15,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:15,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:15,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:15,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:15,265 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 29 treesize of output 17 [2021-11-23 00:46:15,331 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:15,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:15,742 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:46:15,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:16,804 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:16,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:46:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 418 states and 866 transitions. [2021-11-23 00:46:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 866 transitions. [2021-11-23 00:46:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:16,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:16,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:16,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:16,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:16,978 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:16,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:17,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:17,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:18,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:18,455 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:18,455 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 419 states and 868 transitions. [2021-11-23 00:46:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 868 transitions. [2021-11-23 00:46:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:19,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:19,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:19,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:19,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:19,974 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:19,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:20,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:20,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:21,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:21,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:21,455 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:21,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:22,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 420 states and 870 transitions. [2021-11-23 00:46:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 870 transitions. [2021-11-23 00:46:22,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:22,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:22,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:22,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:22,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:22,989 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:46:22,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:46:23,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:23,359 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:23,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:23,784 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:46:23,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:24,829 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:24,829 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 84 treesize of output 40 [2021-11-23 00:46:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 421 states and 872 transitions. [2021-11-23 00:46:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 872 transitions. [2021-11-23 00:46:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:24,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:24,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:24,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:24,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:24,963 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 [2021-11-23 00:46:24,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:46:25,017 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:25,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:25,450 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:46:25,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:26,537 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:26,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:46:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:26,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 422 states and 874 transitions. [2021-11-23 00:46:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 874 transitions. [2021-11-23 00:46:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:26,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:26,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:26,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:26,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:26,693 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:46:26,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:46:26,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:27,071 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:27,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:27,516 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:46:27,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:46:28,584 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:46:28,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:46:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 423 states and 876 transitions. [2021-11-23 00:46:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 876 transitions. [2021-11-23 00:46:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:28,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:28,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:28,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:28,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:28,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:28,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:46:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:28,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:29,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:29,628 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:29,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 424 states and 878 transitions. [2021-11-23 00:46:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 878 transitions. [2021-11-23 00:46:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:31,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:31,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:31,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:31,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:31,199 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:31,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:31,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:31,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:31,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:32,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:32,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:32,699 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:32,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 425 states and 880 transitions. [2021-11-23 00:46:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 880 transitions. [2021-11-23 00:46:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:33,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:33,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:34,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:34,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:34,100 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 [2021-11-23 00:46:34,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:46:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:34,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:35,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:35,021 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:35,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 426 states and 882 transitions. [2021-11-23 00:46:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 882 transitions. [2021-11-23 00:46:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:36,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:36,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:36,145 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:36,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:36,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:36,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:37,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:37,641 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:37,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 427 states and 884 transitions. [2021-11-23 00:46:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 884 transitions. [2021-11-23 00:46:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:38,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:38,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:38,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:38,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:38,758 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:38,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:38,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:39,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:39,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:39,557 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:39,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 428 states and 886 transitions. [2021-11-23 00:46:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 886 transitions. [2021-11-23 00:46:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:41,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:41,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:41,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:41,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:41,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:41,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:46:41,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:41,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:41,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:41,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:42,007 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:42,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 429 states and 888 transitions. [2021-11-23 00:46:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 888 transitions. [2021-11-23 00:46:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:43,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:43,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:43,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:43,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:43,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:43,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:46:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:43,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:44,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:44,431 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:44,431 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 430 states and 890 transitions. [2021-11-23 00:46:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 890 transitions. [2021-11-23 00:46:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:45,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:45,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:45,953 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:45,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:46,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:46,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:47,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:47,464 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:47,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 431 states and 892 transitions. [2021-11-23 00:46:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 892 transitions. [2021-11-23 00:46:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:48,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:48,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:48,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:48,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:48,887 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:48,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:48,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:49,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:49,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:50,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:50,430 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:50,430 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 432 states and 894 transitions. [2021-11-23 00:46:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 894 transitions. [2021-11-23 00:46:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:51,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:51,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:51,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:51,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:51,557 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:51,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:51,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:52,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:52,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:53,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:53,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:53,121 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:53,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 433 states and 896 transitions. [2021-11-23 00:46:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 896 transitions. [2021-11-23 00:46:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:54,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:54,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:54,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:54,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:54,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:54,565 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 29 treesize of output 17 [2021-11-23 00:46:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:54,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:55,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:55,521 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:55,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 434 states and 898 transitions. [2021-11-23 00:46:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 898 transitions. [2021-11-23 00:46:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:56,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:56,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:56,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:56,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:56,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:56,958 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 29 treesize of output 17 [2021-11-23 00:46:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:56,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:46:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:57,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:57,898 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:46:57,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:46:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:59,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 435 states and 900 transitions. [2021-11-23 00:46:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 900 transitions. [2021-11-23 00:46:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:59,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:59,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:59,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:59,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:59,482 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:46:59,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:46:59,557 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 [2021-11-23 00:47:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:00,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:00,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:00,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:00,310 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:00,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 436 states and 902 transitions. [2021-11-23 00:47:01,756 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 902 transitions. [2021-11-23 00:47:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:01,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:01,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:01,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:47:01,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:01,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:01,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:47:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:01,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:03,142 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:47:03,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:47:04,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 437 states and 904 transitions. [2021-11-23 00:47:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 904 transitions. [2021-11-23 00:47:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:05,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:05,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:05,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:05,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:05,166 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:05,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:05,242 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 [2021-11-23 00:47:05,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:05,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:05,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:05,983 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:05,984 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 438 states and 906 transitions. [2021-11-23 00:47:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 906 transitions. [2021-11-23 00:47:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:07,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:07,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:07,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:07,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:07,594 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:07,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:07,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:08,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:09,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:09,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:09,163 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:09,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 439 states and 908 transitions. [2021-11-23 00:47:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 908 transitions. [2021-11-23 00:47:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:10,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:10,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:10,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:10,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:10,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:10,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:47:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:10,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:11,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:11,468 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:11,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 440 states and 910 transitions. [2021-11-23 00:47:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 910 transitions. [2021-11-23 00:47:12,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:12,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:12,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:12,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:47:12,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:12,909 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:47:12,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:47:12,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:13,305 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:47:13,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:13,781 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:47:13,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:47:14,755 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:47:14,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:47:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:14,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:14,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 441 states and 912 transitions. [2021-11-23 00:47:14,796 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 912 transitions. [2021-11-23 00:47:14,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:14,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:14,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:14,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:47:14,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:14,933 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:47:14,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:47:15,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:15,335 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:47:15,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:15,773 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:47:15,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:47:16,885 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:47:16,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:47:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:16,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 442 states and 914 transitions. [2021-11-23 00:47:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 914 transitions. [2021-11-23 00:47:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:16,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:16,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:17,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:17,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:17,048 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:17,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:17,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:17,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:17,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:18,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:18,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:18,614 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:18,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 443 states and 916 transitions. [2021-11-23 00:47:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 916 transitions. [2021-11-23 00:47:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:19,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:19,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:20,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:20,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:20,040 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 [2021-11-23 00:47:20,046 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 29 treesize of output 17 [2021-11-23 00:47:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:20,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:20,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:20,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:21,013 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:21,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:22,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 444 states and 918 transitions. [2021-11-23 00:47:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 918 transitions. [2021-11-23 00:47:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:22,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:22,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:22,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:22,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:22,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:22,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:47:22,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:22,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:22,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:22,802 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:22,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 445 states and 920 transitions. [2021-11-23 00:47:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 920 transitions. [2021-11-23 00:47:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:24,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:24,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:24,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:24,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:24,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:24,253 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 29 treesize of output 17 [2021-11-23 00:47:24,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:24,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:25,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:25,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:25,211 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:25,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 446 states and 922 transitions. [2021-11-23 00:47:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 922 transitions. [2021-11-23 00:47:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:26,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:26,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:26,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:26,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:26,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:26,678 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 29 treesize of output 17 [2021-11-23 00:47:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:26,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:27,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:27,591 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:27,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 447 states and 924 transitions. [2021-11-23 00:47:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 924 transitions. [2021-11-23 00:47:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:29,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:29,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:29,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:29,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:29,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:29,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:47:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:29,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:30,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:30,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:30,185 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:30,185 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 448 states and 926 transitions. [2021-11-23 00:47:31,441 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 926 transitions. [2021-11-23 00:47:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:31,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:31,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:31,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:31,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:31,575 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:31,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:31,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:32,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:32,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:32,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:32,397 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:32,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 449 states and 928 transitions. [2021-11-23 00:47:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 928 transitions. [2021-11-23 00:47:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:33,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:33,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:33,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:47:33,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:33,827 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:47:33,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:47:33,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:34,220 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:47:34,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:34,687 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:47:34,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:47:35,787 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:47:35,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:47:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 450 states and 930 transitions. [2021-11-23 00:47:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 930 transitions. [2021-11-23 00:47:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:35,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:35,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:35,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:35,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:35,981 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:35,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:36,059 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 [2021-11-23 00:47:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:36,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:37,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:37,553 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:37,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 451 states and 932 transitions. [2021-11-23 00:47:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 932 transitions. [2021-11-23 00:47:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:39,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:39,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:39,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:47:39,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:39,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:39,171 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 29 treesize of output 17 [2021-11-23 00:47:39,222 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:47:39,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:39,651 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:47:39,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:47:40,736 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:47:40,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:47:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 452 states and 934 transitions. [2021-11-23 00:47:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 934 transitions. [2021-11-23 00:47:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:40,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:40,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:40,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:40,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:40,892 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:40,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:40,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:41,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:42,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:42,418 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:42,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 453 states and 936 transitions. [2021-11-23 00:47:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 936 transitions. [2021-11-23 00:47:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:43,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:43,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:43,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:43,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:43,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:43,500 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 29 treesize of output 17 [2021-11-23 00:47:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:43,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:43,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:43,706 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:43,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 454 states and 938 transitions. [2021-11-23 00:47:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 938 transitions. [2021-11-23 00:47:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:45,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:45,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:45,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:47:45,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:45,220 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:47:45,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:47:45,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:45,629 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:47:45,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:46,069 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:47:46,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:47:47,216 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:47:47,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:47:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 455 states and 940 transitions. [2021-11-23 00:47:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 940 transitions. [2021-11-23 00:47:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:47,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:47,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:47,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:47:47,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:47,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:47,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:47:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:47,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:47,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:47,546 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:47,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 456 states and 942 transitions. [2021-11-23 00:47:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 942 transitions. [2021-11-23 00:47:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:48,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:48,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:48,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:48,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:48,907 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:48,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:48,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:49,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:50,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:50,425 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:50,425 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 457 states and 944 transitions. [2021-11-23 00:47:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 944 transitions. [2021-11-23 00:47:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:51,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:51,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:51,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:51,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:51,973 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:51,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:52,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:52,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:53,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:53,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:53,516 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:53,516 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 458 states and 946 transitions. [2021-11-23 00:47:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 946 transitions. [2021-11-23 00:47:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:54,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:54,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:54,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:54,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:54,961 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:54,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:55,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:55,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:55,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:55,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:55,786 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:55,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 459 states and 948 transitions. [2021-11-23 00:47:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 948 transitions. [2021-11-23 00:47:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:57,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:57,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:57,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:57,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:57,397 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:47:57,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:47:57,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:58,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:47:58,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:58,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:58,205 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:47:58,206 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:47:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 460 states and 950 transitions. [2021-11-23 00:47:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 950 transitions. [2021-11-23 00:47:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:58,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:58,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:58,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:47:58,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:58,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:58,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:47:58,832 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:47:58,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:00,179 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-23 00:48:00,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 53 [2021-11-23 00:48:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 461 states and 952 transitions. [2021-11-23 00:48:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 952 transitions. [2021-11-23 00:48:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:04,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:04,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:04,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:48:04,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:04,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:04,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:04,888 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:48:04,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:05,328 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:48:05,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:48:06,052 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:48:06,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:48:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 462 states and 954 transitions. [2021-11-23 00:48:06,126 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 954 transitions. [2021-11-23 00:48:06,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:06,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:06,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:06,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:06,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:06,245 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:48:06,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:48:06,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:06,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:07,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:07,094 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:07,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:08,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 463 states and 956 transitions. [2021-11-23 00:48:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 956 transitions. [2021-11-23 00:48:08,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:08,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:08,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:08,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:08,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:08,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:08,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:08,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:09,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:09,585 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:09,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 464 states and 958 transitions. [2021-11-23 00:48:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 958 transitions. [2021-11-23 00:48:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:11,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:11,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:11,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:11,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:11,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:11,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:11,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:11,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:11,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:11,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:11,356 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:11,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 465 states and 960 transitions. [2021-11-23 00:48:12,884 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 960 transitions. [2021-11-23 00:48:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:12,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:12,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:12,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:48:12,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:13,028 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:48:13,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:48:13,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:14,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:15,494 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-23 00:48:15,494 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 6 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 00:48:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 466 states and 962 transitions. [2021-11-23 00:48:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 962 transitions. [2021-11-23 00:48:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:17,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:17,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:17,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:17,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:17,579 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:48:17,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:48:17,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:18,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:19,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:19,134 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:19,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 467 states and 964 transitions. [2021-11-23 00:48:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 964 transitions. [2021-11-23 00:48:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:20,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:20,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:20,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:20,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:20,760 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:48:20,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:48:20,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:21,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:22,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:22,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:22,305 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:22,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 468 states and 966 transitions. [2021-11-23 00:48:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 966 transitions. [2021-11-23 00:48:23,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:23,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:23,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:23,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:48:23,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:23,901 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:48:23,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:48:23,979 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 [2021-11-23 00:48:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:24,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:25,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:25,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:25,483 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:25,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 469 states and 968 transitions. [2021-11-23 00:48:26,776 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 968 transitions. [2021-11-23 00:48:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:26,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:26,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:26,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:26,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:26,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:26,890 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 29 treesize of output 17 [2021-11-23 00:48:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:26,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:27,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:27,079 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:27,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:28,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 470 states and 970 transitions. [2021-11-23 00:48:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 970 transitions. [2021-11-23 00:48:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:28,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:28,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:28,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:28,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:28,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:28,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:28,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:28,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:28,845 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:28,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 471 states and 972 transitions. [2021-11-23 00:48:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 972 transitions. [2021-11-23 00:48:29,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:29,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:29,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:29,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:29,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:29,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:29,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:29,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:30,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:30,492 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:30,493 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 472 states and 974 transitions. [2021-11-23 00:48:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 974 transitions. [2021-11-23 00:48:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:32,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:32,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:32,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:32,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:32,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:32,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:32,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:33,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:33,455 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:33,455 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 473 states and 976 transitions. [2021-11-23 00:48:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 976 transitions. [2021-11-23 00:48:35,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:35,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:35,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:48:35,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:35,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:35,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:35,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:36,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:36,282 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:36,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 474 states and 978 transitions. [2021-11-23 00:48:37,982 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 978 transitions. [2021-11-23 00:48:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:37,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:37,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:38,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:38,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:38,102 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 [2021-11-23 00:48:38,106 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 29 treesize of output 17 [2021-11-23 00:48:38,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:38,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:39,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:39,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:39,166 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:39,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 475 states and 980 transitions. [2021-11-23 00:48:40,642 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 980 transitions. [2021-11-23 00:48:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:40,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:40,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:40,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:40,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:40,785 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:48:40,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:48:40,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:41,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:41,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:41,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:41,686 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:41,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 476 states and 982 transitions. [2021-11-23 00:48:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 982 transitions. [2021-11-23 00:48:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:42,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:42,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:42,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:48:42,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:42,884 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 00:48:42,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-23 00:48:42,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:43,302 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:48:43,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:43,498 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:48:43,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:48:44,787 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:48:44,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:48:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 477 states and 984 transitions. [2021-11-23 00:48:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 984 transitions. [2021-11-23 00:48:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:44,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:44,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:44,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:44,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:44,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:44,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:45,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:46,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:46,056 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:46,056 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 478 states and 986 transitions. [2021-11-23 00:48:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 986 transitions. [2021-11-23 00:48:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:46,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:46,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:46,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:48:46,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:46,728 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 [2021-11-23 00:48:46,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:46,789 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:48:46,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:47,249 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:48:47,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:48:48,331 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:48:48,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:48:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 479 states and 988 transitions. [2021-11-23 00:48:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 988 transitions. [2021-11-23 00:48:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:48,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:48,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:48,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:48:48,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:48,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:48,491 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 29 treesize of output 17 [2021-11-23 00:48:48,551 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:48:48,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:48,723 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:48:48,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:48:49,974 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:48:49,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:48:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 480 states and 990 transitions. [2021-11-23 00:48:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 990 transitions. [2021-11-23 00:48:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:50,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:50,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:50,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:50,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:50,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:50,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:50,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:50,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:50,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:50,365 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:50,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 481 states and 992 transitions. [2021-11-23 00:48:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 992 transitions. [2021-11-23 00:48:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:51,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:51,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:51,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:51,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:52,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:52,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:48:52,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:52,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:52,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:52,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:53,006 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:53,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 482 states and 994 transitions. [2021-11-23 00:48:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 994 transitions. [2021-11-23 00:48:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:54,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:54,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:54,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:54,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:54,784 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:48:54,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:48:54,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:55,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:56,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:56,473 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:56,473 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 483 states and 996 transitions. [2021-11-23 00:48:58,167 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 996 transitions. [2021-11-23 00:48:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:58,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:58,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:58,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:58,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:58,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:48:58,288 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 29 treesize of output 17 [2021-11-23 00:48:58,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:58,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:48:59,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:48:59,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:48:59,305 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:48:59,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:48:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 484 states and 998 transitions. [2021-11-23 00:48:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 998 transitions. [2021-11-23 00:48:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:59,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:59,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:59,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:59,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:59,913 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:48:59,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:49:00,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:00,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:00,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:00,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:00,829 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:00,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:02,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 485 states and 1000 transitions. [2021-11-23 00:49:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1000 transitions. [2021-11-23 00:49:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:02,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:02,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:02,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:49:02,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:02,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:02,363 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 29 treesize of output 17 [2021-11-23 00:49:02,429 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:49:02,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:02,923 INFO L354 Elim1Store]: treesize reduction 127, result has 15.9 percent of original size [2021-11-23 00:49:02,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-23 00:49:03,976 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 00:49:03,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 40 [2021-11-23 00:49:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 486 states and 1002 transitions. [2021-11-23 00:49:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1002 transitions. [2021-11-23 00:49:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:04,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:04,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:04,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:04,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:04,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:04,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:49:04,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:04,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:04,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:04,345 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:04,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 487 states and 1004 transitions. [2021-11-23 00:49:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1004 transitions. [2021-11-23 00:49:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:05,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:05,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:05,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:05,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:05,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:05,809 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 29 treesize of output 17 [2021-11-23 00:49:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:05,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:06,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:06,799 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:06,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 488 states and 1006 transitions. [2021-11-23 00:49:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1006 transitions. [2021-11-23 00:49:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:08,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:08,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:08,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:08,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:08,524 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:49:08,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:49:08,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:09,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:09,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:10,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:10,216 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:10,216 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 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 489 states and 1008 transitions. [2021-11-23 00:49:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1008 transitions. [2021-11-23 00:49:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:11,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:11,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:11,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:11,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:11,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:11,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:49:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:11,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:12,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:12,855 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:12,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:14,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 490 states and 1010 transitions. [2021-11-23 00:49:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1010 transitions. [2021-11-23 00:49:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:14,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:14,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:14,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:14,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:14,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:14,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:49:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:14,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:14,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:14,803 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:14,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 491 states and 1012 transitions. [2021-11-23 00:49:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1012 transitions. [2021-11-23 00:49:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:16,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:16,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:16,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:16,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:16,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:16,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-23 00:49:16,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:16,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:17,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:17,262 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:17,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:18,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 492 states and 1014 transitions. [2021-11-23 00:49:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1014 transitions. [2021-11-23 00:49:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:18,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:18,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:18,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:18,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:18,891 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:49:18,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-11-23 00:49:18,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:49:19,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:19,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-23 00:49:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:49:20,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:49:20,716 INFO L354 Elim1Store]: treesize reduction 28, result has 20.0 percent of original size [2021-11-23 00:49:20,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 51 [2021-11-23 00:49:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 493 states and 1016 transitions. [2021-11-23 00:49:22,203 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1016 transitions. [2021-11-23 00:49:22,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:22,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:22,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:22,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:49:22,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:22,360 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 00:49:22,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21